Source code for Chemistry.base.periodic_table
# Copyright (c) 2014 Dan Obermiller
#
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# THE SOFTWARE.
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# If not, see <http://opensource.org/licenses/MIT>
"""This module stores all of the data about each element in the periodic table.
This includes atomic mass, radius, electronegativity, etc.
"""
[docs]def get_element(symbol='C'):
"""Function that returns the appropriate data for a given element.
Parameters
----------
symbol : string
The symbol of the atom being returned. Defaults to 'C' for Carbon.
Returns
-------
table : dict
A dictionary storing all of the relevant information about an element.
"""
table = {"symbol": symbol}
table.update(periodic_table[symbol])
return table
periodic_table = {
"H": {
"Electronegativity": 2.2,
"Group": 1,
"Melting Point": 14.01,
"Weight": 1.008,
"Density": 8.988e-05,
"Symbol": "H",
"Element": "Hydrogen",
"Atomic Number": 1,
"Boiling Point": 20.28,
"Heat of ?": 14.304,
"Atomic Radius": 53.0,
"Oxidation Number(s)": [
1,
-1
]
},
"He": {
"Electronegativity": None,
"Group": 18,
"Melting Point": 0.956,
"Weight": 4.002602,
"Density": 0.0001785,
"Symbol": "He",
"Element": "Helium",
"Atomic Number": 2,
"Boiling Point": 4.22,
"Heat of ?": 5.193,
"Atomic Radius": 31.0,
"Oxidation Number(s)": [
0
]
},
"Li": {
"Electronegativity": 0.98,
"Group": 1,
"Melting Point": 453.69,
"Weight": 6.94,
"Density": 0.534,
"Symbol": "Li",
"Element": "Lithium",
"Atomic Number": 3,
"Boiling Point": 1560.0,
"Heat of ?": 3.582,
"Atomic Radius": 167.0,
"Oxidation Number(s)": [
1
]
},
"Be": {
"Electronegativity": 1.57,
"Group": 2,
"Melting Point": 1560.0,
"Weight": 9.012182,
"Density": 1.85,
"Symbol": "Be",
"Element": "Beryllium",
"Atomic Number": 4,
"Boiling Point": 2742.0,
"Heat of ?": 1.825,
"Atomic Radius": 112.0,
"Oxidation Number(s)": [
1,
2
]
},
"B": {
"Electronegativity": 2.04,
"Group": 13,
"Melting Point": 2349.0,
"Weight": 10.81,
"Density": 2.34,
"Symbol": "B",
"Element": "Boron",
"Atomic Number": 5,
"Boiling Point": 4200.0,
"Heat of ?": 1.026,
"Atomic Radius": 87.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"C": {
"Electronegativity": 2.55,
"Group": 14,
"Melting Point": 3800.0,
"Weight": 12.011,
"Density": 2.267,
"Symbol": "C",
"Element": "Carbon",
"Atomic Number": 6,
"Boiling Point": 4300.0,
"Heat of ?": 0.709,
"Atomic Radius": 67.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
-4,
-3,
-2,
-1
]
},
"N": {
"Electronegativity": 3.04,
"Group": 15,
"Melting Point": 63.15,
"Weight": 14.007,
"Density": 0.0012506,
"Symbol": "N",
"Element": "Nitrogen",
"Atomic Number": 7,
"Boiling Point": 77.36,
"Heat of ?": 1.04,
"Atomic Radius": 56.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
-3,
-2,
-1
]
},
"O": {
"Electronegativity": 3.44,
"Group": 16,
"Melting Point": 54.36,
"Weight": 15.999,
"Density": 0.001429,
"Symbol": "O",
"Element": "Oxygen",
"Atomic Number": 8,
"Boiling Point": 90.2,
"Heat of ?": 0.918,
"Atomic Radius": 48.0,
"Oxidation Number(s)": [
1,
2,
-2,
-1
]
},
"F": {
"Electronegativity": 3.98,
"Group": 17,
"Melting Point": 53.53,
"Weight": 18.9984032,
"Density": 0.001696,
"Symbol": "F",
"Element": "Fluorine",
"Atomic Number": 9,
"Boiling Point": 85.03,
"Heat of ?": 0.824,
"Atomic Radius": 42.0,
"Oxidation Number(s)": [
-1
]
},
"Ne": {
"Electronegativity": None,
"Group": 18,
"Melting Point": 24.56,
"Weight": 20.1797,
"Density": 0.0008999,
"Symbol": "Ne",
"Element": "Neon",
"Atomic Number": 10,
"Boiling Point": 27.07,
"Heat of ?": 1.03,
"Atomic Radius": 38.0,
"Oxidation Number(s)": [
0
]
},
"Na": {
"Electronegativity": 0.93,
"Group": 1,
"Melting Point": 370.87,
"Weight": 22.98976928,
"Density": 0.971,
"Symbol": "Na",
"Element": "Sodium",
"Atomic Number": 11,
"Boiling Point": 1156.0,
"Heat of ?": 1.228,
"Atomic Radius": 190.0,
"Oxidation Number(s)": [
1,
-1
]
},
"Mg": {
"Electronegativity": 1.31,
"Group": 2,
"Melting Point": 923.0,
"Weight": 24.3059,
"Density": 1.738,
"Symbol": "Mg",
"Element": "Magnesium",
"Atomic Number": 12,
"Boiling Point": 1363.0,
"Heat of ?": 1.023,
"Atomic Radius": 145.0,
"Oxidation Number(s)": [
1,
2
]
},
"Al": {
"Electronegativity": 1.61,
"Group": 13,
"Melting Point": 933.47,
"Weight": 26.9815386,
"Density": 2.698,
"Symbol": "Al",
"Element": "Aluminium",
"Atomic Number": 13,
"Boiling Point": 2792.0,
"Heat of ?": 0.897,
"Atomic Radius": 118.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Si": {
"Electronegativity": 1.9,
"Group": 14,
"Melting Point": 1687.0,
"Weight": 28.085,
"Density": 2.3296,
"Symbol": "Si",
"Element": "Silicon",
"Atomic Number": 14,
"Boiling Point": 3538.0,
"Heat of ?": 0.705,
"Atomic Radius": 111.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
-4,
-3,
-2,
-1
]
},
"P": {
"Electronegativity": 2.19,
"Group": 15,
"Melting Point": 317.3,
"Weight": 30.973762,
"Density": 1.82,
"Symbol": "P",
"Element": "Phosphorus",
"Atomic Number": 15,
"Boiling Point": 550.0,
"Heat of ?": 0.769,
"Atomic Radius": 98.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
-3,
-2,
-1
]
},
"S": {
"Electronegativity": 2.58,
"Group": 16,
"Melting Point": 388.36,
"Weight": 32.06,
"Density": 2.067,
"Symbol": "S",
"Element": "Sulfur",
"Atomic Number": 16,
"Boiling Point": 717.87,
"Heat of ?": 0.71,
"Atomic Radius": 88.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-1
]
},
"Cl": {
"Electronegativity": 3.16,
"Group": 17,
"Melting Point": 171.6,
"Weight": 35.45,
"Density": 0.003214,
"Symbol": "Cl",
"Element": "Chlorine",
"Atomic Number": 17,
"Boiling Point": 239.11,
"Heat of ?": 0.479,
"Atomic Radius": 79.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
-1
]
},
"Ar": {
"Electronegativity": None,
"Group": 18,
"Melting Point": 83.8,
"Weight": 39.948,
"Density": 0.0017837,
"Symbol": "Ar",
"Element": "Argon",
"Atomic Number": 18,
"Boiling Point": 87.3,
"Heat of ?": 0.52,
"Atomic Radius": 71.0,
"Oxidation Number(s)": [
0
]
},
"K": {
"Electronegativity": 0.82,
"Group": 1,
"Melting Point": 336.53,
"Weight": 39.0983,
"Density": 0.862,
"Symbol": "K",
"Element": "Potassium",
"Atomic Number": 19,
"Boiling Point": 1032.0,
"Heat of ?": 0.757,
"Atomic Radius": 243.0,
"Oxidation Number(s)": [
1,
-1
]
},
"Ca": {
"Electronegativity": 1.0,
"Group": 2,
"Melting Point": 1115.0,
"Weight": 40.078,
"Density": 1.54,
"Symbol": "Ca",
"Element": "Calcium",
"Atomic Number": 20,
"Boiling Point": 1757.0,
"Heat of ?": 0.647,
"Atomic Radius": 194.0,
"Oxidation Number(s)": [
1,
2
]
},
"Sc": {
"Electronegativity": 1.36,
"Group": 3,
"Melting Point": 1814.0,
"Weight": 44.955912,
"Density": 2.989,
"Symbol": "Sc",
"Element": "Scandium",
"Atomic Number": 21,
"Boiling Point": 3109.0,
"Heat of ?": 0.568,
"Atomic Radius": 184.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Ti": {
"Electronegativity": 1.54,
"Group": 4,
"Melting Point": 1941.0,
"Weight": 47.867,
"Density": 4.54,
"Symbol": "Ti",
"Element": "Titanium",
"Atomic Number": 22,
"Boiling Point": 3560.0,
"Heat of ?": 0.523,
"Atomic Radius": 176.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
-1
]
},
"V": {
"Electronegativity": 1.63,
"Group": 5,
"Melting Point": 2183.0,
"Weight": 50.9415,
"Density": 6.11,
"Symbol": "V",
"Element": "Vanadium",
"Atomic Number": 23,
"Boiling Point": 3680.0,
"Heat of ?": 0.489,
"Atomic Radius": 171.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
-1
]
},
"Cr": {
"Electronegativity": 1.66,
"Group": 6,
"Melting Point": 2180.0,
"Weight": 51.9961,
"Density": 7.15,
"Symbol": "Cr",
"Element": "Chromium",
"Atomic Number": 24,
"Boiling Point": 2944.0,
"Heat of ?": 0.449,
"Atomic Radius": 166.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-2,
-1
]
},
"Mn": {
"Electronegativity": 1.55,
"Group": 7,
"Melting Point": 1519.0,
"Weight": 54.938045,
"Density": 7.44,
"Symbol": "Mn",
"Element": "Manganese",
"Atomic Number": 25,
"Boiling Point": 2334.0,
"Heat of ?": 0.479,
"Atomic Radius": 161.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
-3,
-2,
-1
]
},
"Fe": {
"Electronegativity": 1.83,
"Group": 8,
"Melting Point": 1811.0,
"Weight": 55.845,
"Density": 7.874,
"Symbol": "Fe",
"Element": "Iron",
"Atomic Number": 26,
"Boiling Point": 3134.0,
"Heat of ?": 0.449,
"Atomic Radius": 156.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-2,
-1
]
},
"Co": {
"Electronegativity": 1.88,
"Group": 9,
"Melting Point": 1768.0,
"Weight": 58.933195,
"Density": 8.86,
"Symbol": "Co",
"Element": "Cobalt",
"Atomic Number": 27,
"Boiling Point": 3200.0,
"Heat of ?": 0.421,
"Atomic Radius": 152.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
-1
]
},
"Ni": {
"Electronegativity": 1.91,
"Group": 10,
"Melting Point": 1728.0,
"Weight": 58.6934,
"Density": 8.912,
"Symbol": "Ni",
"Element": "Nickel",
"Atomic Number": 28,
"Boiling Point": 3186.0,
"Heat of ?": 0.444,
"Atomic Radius": 149.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
-1
]
},
"Cu": {
"Electronegativity": 1.9,
"Group": 11,
"Melting Point": 1357.77,
"Weight": 63.546,
"Density": 8.96,
"Symbol": "Cu",
"Element": "Copper",
"Atomic Number": 29,
"Boiling Point": 2835.0,
"Heat of ?": 0.385,
"Atomic Radius": 145.0,
"Oxidation Number(s)": [
1,
2,
3,
4
]
},
"Zn": {
"Electronegativity": 1.65,
"Group": 12,
"Melting Point": 692.88,
"Weight": 65.38,
"Density": 7.134,
"Symbol": "Zn",
"Element": "Zinc",
"Atomic Number": 30,
"Boiling Point": 1180.0,
"Heat of ?": 0.388,
"Atomic Radius": 142.0,
"Oxidation Number(s)": [
1,
2
]
},
"Ga": {
"Electronegativity": 1.81,
"Group": 13,
"Melting Point": 302.9146,
"Weight": 69.723,
"Density": 5.907,
"Symbol": "Ga",
"Element": "Gallium",
"Atomic Number": 31,
"Boiling Point": 2477.0,
"Heat of ?": 0.371,
"Atomic Radius": 136.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Ge": {
"Electronegativity": 2.01,
"Group": 14,
"Melting Point": 1211.4,
"Weight": 72.63,
"Density": 5.323,
"Symbol": "Ge",
"Element": "Germanium",
"Atomic Number": 32,
"Boiling Point": 3106.0,
"Heat of ?": 0.32,
"Atomic Radius": 125.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
-4,
-3,
-2,
-1
]
},
"As": {
"Electronegativity": 2.18,
"Group": 15,
"Melting Point": 1090.0,
"Weight": 74.9216,
"Density": 5.776,
"Symbol": "As",
"Element": "Arsenic",
"Atomic Number": 33,
"Boiling Point": 887.0,
"Heat of ?": 0.329,
"Atomic Radius": 114.0,
"Oxidation Number(s)": [
1,
2,
3,
5,
-3
]
},
"Se": {
"Electronegativity": 2.55,
"Group": 16,
"Melting Point": 453.0,
"Weight": 78.96,
"Density": 4.809,
"Symbol": "Se",
"Element": "Selenium",
"Atomic Number": 34,
"Boiling Point": 958.0,
"Heat of ?": 0.321,
"Atomic Radius": 103.0,
"Oxidation Number(s)": [
1,
2,
4,
6,
-2
]
},
"Br": {
"Electronegativity": 2.96,
"Group": 17,
"Melting Point": 265.8,
"Weight": 79.9049,
"Density": 3.122,
"Symbol": "Br",
"Element": "Bromine",
"Atomic Number": 35,
"Boiling Point": 332.0,
"Heat of ?": 0.474,
"Atomic Radius": 94.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
7,
-1
]
},
"Kr": {
"Electronegativity": 3.0,
"Group": 18,
"Melting Point": 115.79,
"Weight": 83.798,
"Density": 0.003733,
"Symbol": "Kr",
"Element": "Krypton",
"Atomic Number": 36,
"Boiling Point": 119.93,
"Heat of ?": 0.248,
"Atomic Radius": 88.0,
"Oxidation Number(s)": [
2
]
},
"Rb": {
"Electronegativity": 0.82,
"Group": 1,
"Melting Point": 312.46,
"Weight": 85.4678,
"Density": 1.532,
"Symbol": "Rb",
"Element": "Rubidium",
"Atomic Number": 37,
"Boiling Point": 961.0,
"Heat of ?": 0.363,
"Atomic Radius": 265.0,
"Oxidation Number(s)": [
1,
-1
]
},
"Sr": {
"Electronegativity": 0.95,
"Group": 2,
"Melting Point": 1050.0,
"Weight": 87.62,
"Density": 2.64,
"Symbol": "Sr",
"Element": "Strontium",
"Atomic Number": 38,
"Boiling Point": 1655.0,
"Heat of ?": 0.301,
"Atomic Radius": 219.0,
"Oxidation Number(s)": [
1,
2
]
},
"Y": {
"Electronegativity": 1.22,
"Group": 3,
"Melting Point": 1799.0,
"Weight": 88.90585,
"Density": 4.469,
"Symbol": "Y",
"Element": "Yttrium",
"Atomic Number": 39,
"Boiling Point": 3609.0,
"Heat of ?": 0.298,
"Atomic Radius": 212.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Zr": {
"Electronegativity": 1.33,
"Group": 4,
"Melting Point": 2128.0,
"Weight": 91.224,
"Density": 6.506,
"Symbol": "Zr",
"Element": "Zirconium",
"Atomic Number": 40,
"Boiling Point": 4682.0,
"Heat of ?": 0.278,
"Atomic Radius": 206.0,
"Oxidation Number(s)": [
1,
2,
3,
4
]
},
"Nb": {
"Electronegativity": 1.6,
"Group": 5,
"Melting Point": 2750.0,
"Weight": 92.90638,
"Density": 8.57,
"Symbol": "Nb",
"Element": "Niobium",
"Atomic Number": 41,
"Boiling Point": 5017.0,
"Heat of ?": 0.265,
"Atomic Radius": 198.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
-1
]
},
"Mo": {
"Electronegativity": 2.16,
"Group": 6,
"Melting Point": 2896.0,
"Weight": 95.96,
"Density": 10.22,
"Symbol": "Mo",
"Element": "Molybdenum",
"Atomic Number": 42,
"Boiling Point": 4912.0,
"Heat of ?": 0.251,
"Atomic Radius": 190.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-2,
-1
]
},
"Tc": {
"Electronegativity": 1.9,
"Group": 7,
"Melting Point": 2430.0,
"Weight": 98.0,
"Density": 11.5,
"Symbol": "Tc",
"Element": "Technetium",
"Atomic Number": 43,
"Boiling Point": 4538.0,
"Heat of ?": None,
"Atomic Radius": 183.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
-3,
-1
]
},
"Ru": {
"Electronegativity": 2.2,
"Group": 8,
"Melting Point": 2607.0,
"Weight": 101.07,
"Density": 12.37,
"Symbol": "Ru",
"Element": "Ruthenium",
"Atomic Number": 44,
"Boiling Point": 4423.0,
"Heat of ?": 0.238,
"Atomic Radius": 178.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
8,
-2
]
},
"Rh": {
"Electronegativity": 2.28,
"Group": 9,
"Melting Point": 2237.0,
"Weight": 102.9055,
"Density": 12.41,
"Symbol": "Rh",
"Element": "Rhodium",
"Atomic Number": 45,
"Boiling Point": 3968.0,
"Heat of ?": 0.243,
"Atomic Radius": 173.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-1
]
},
"Pd": {
"Electronegativity": 2.2,
"Group": 10,
"Melting Point": 1828.05,
"Weight": 106.42,
"Density": 12.02,
"Symbol": "Pd",
"Element": "Palladium",
"Atomic Number": 46,
"Boiling Point": 3236.0,
"Heat of ?": 0.244,
"Atomic Radius": 169.0,
"Oxidation Number(s)": [
1,
2,
4,
6
]
},
"Ag": {
"Electronegativity": 1.93,
"Group": 11,
"Melting Point": 1234.93,
"Weight": 107.8682,
"Density": 10.501,
"Symbol": "Ag",
"Element": "Silver",
"Atomic Number": 47,
"Boiling Point": 2435.0,
"Heat of ?": 0.235,
"Atomic Radius": 165.0,
"Oxidation Number(s)": [
1,
2,
3,
4
]
},
"Cd": {
"Electronegativity": 1.69,
"Group": 12,
"Melting Point": 594.22,
"Weight": 112.411,
"Density": 8.69,
"Symbol": "Cd",
"Element": "Cadmium",
"Atomic Number": 48,
"Boiling Point": 1040.0,
"Heat of ?": 0.232,
"Atomic Radius": 161.0,
"Oxidation Number(s)": [
1,
2
]
},
"In": {
"Electronegativity": 1.78,
"Group": 13,
"Melting Point": 429.75,
"Weight": 114.818,
"Density": 7.31,
"Symbol": "In",
"Element": "Indium",
"Atomic Number": 49,
"Boiling Point": 2345.0,
"Heat of ?": 0.233,
"Atomic Radius": 156.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Sn": {
"Electronegativity": 1.96,
"Group": 14,
"Melting Point": 505.08,
"Weight": 118.71,
"Density": 7.287,
"Symbol": "Sn",
"Element": "Tin",
"Atomic Number": 50,
"Boiling Point": 2875.0,
"Heat of ?": 0.228,
"Atomic Radius": 145.0,
"Oxidation Number(s)": [
2,
4,
-4
]
},
"Sb": {
"Electronegativity": 2.05,
"Group": 15,
"Melting Point": 903.78,
"Weight": 121.76,
"Density": 6.685,
"Symbol": "Sb",
"Element": "Antimony",
"Atomic Number": 51,
"Boiling Point": 1860.0,
"Heat of ?": 0.207,
"Atomic Radius": 133.0,
"Oxidation Number(s)": [
3,
5,
-3
]
},
"Te": {
"Electronegativity": 2.1,
"Group": 16,
"Melting Point": 722.66,
"Weight": 127.6,
"Density": 6.232,
"Symbol": "Te",
"Element": "Tellurium",
"Atomic Number": 52,
"Boiling Point": 1261.0,
"Heat of ?": 0.202,
"Atomic Radius": 123.0,
"Oxidation Number(s)": [
2,
4,
5,
6,
-2
]
},
"I": {
"Electronegativity": 2.66,
"Group": 17,
"Melting Point": 386.85,
"Weight": 126.90447,
"Density": 4.93,
"Symbol": "I",
"Element": "Iodine",
"Atomic Number": 53,
"Boiling Point": 457.4,
"Heat of ?": 0.214,
"Atomic Radius": 115.0,
"Oxidation Number(s)": [
1,
3,
4,
5,
7,
-1
]
},
"Xe": {
"Electronegativity": 2.6,
"Group": 18,
"Melting Point": 161.4,
"Weight": 131.293,
"Density": 0.005887,
"Symbol": "Xe",
"Element": "Xenon",
"Atomic Number": 54,
"Boiling Point": 165.03,
"Heat of ?": 0.158,
"Atomic Radius": 108.0,
"Oxidation Number(s)": [
1,
2,
4,
6,
8
]
},
"Cs": {
"Electronegativity": 0.79,
"Group": 1,
"Melting Point": 301.59,
"Weight": 132.9054519,
"Density": 1.873,
"Symbol": "Cs",
"Element": "Caesium",
"Atomic Number": 55,
"Boiling Point": 944.0,
"Heat of ?": 0.242,
"Atomic Radius": 298.0,
"Oxidation Number(s)": [
1,
-1
]
},
"Ba": {
"Electronegativity": 0.89,
"Group": 2,
"Melting Point": 1000.0,
"Weight": 137.327,
"Density": 3.594,
"Symbol": "Ba",
"Element": "Barium",
"Atomic Number": 56,
"Boiling Point": 2170.0,
"Heat of ?": 0.204,
"Atomic Radius": 253.0,
"Oxidation Number(s)": [
2
]
},
"La": {
"Electronegativity": 1.1,
"Group": 0,
"Melting Point": 1193.0,
"Weight": 138.90547,
"Density": 6.145,
"Symbol": "La",
"Element": "Lanthanum",
"Atomic Number": 57,
"Boiling Point": 3737.0,
"Heat of ?": 0.195,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"Ce": {
"Electronegativity": 1.12,
"Group": 0,
"Melting Point": 1068.0,
"Weight": 140.116,
"Density": 6.77,
"Symbol": "Ce",
"Element": "Cerium",
"Atomic Number": 58,
"Boiling Point": 3716.0,
"Heat of ?": 0.192,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Pr": {
"Electronegativity": 1.13,
"Group": 0,
"Melting Point": 1208.0,
"Weight": 140.90765,
"Density": 6.773,
"Symbol": "Pr",
"Element": "Praseodymium",
"Atomic Number": 59,
"Boiling Point": 3793.0,
"Heat of ?": 0.193,
"Atomic Radius": 247.0,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Nd": {
"Electronegativity": 1.14,
"Group": 0,
"Melting Point": 1297.0,
"Weight": 144.242,
"Density": 7.007,
"Symbol": "Nd",
"Element": "Neodymium",
"Atomic Number": 60,
"Boiling Point": 3347.0,
"Heat of ?": 0.19,
"Atomic Radius": 206.0,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Pm": {
"Electronegativity": 1.13,
"Group": 0,
"Melting Point": 1315.0,
"Weight": 145.0,
"Density": 7.26,
"Symbol": "Pm",
"Element": "Promethium",
"Atomic Number": 61,
"Boiling Point": 3273.0,
"Heat of ?": None,
"Atomic Radius": 205.0,
"Oxidation Number(s)": [
2,
3
]
},
"Sm": {
"Electronegativity": 1.17,
"Group": 0,
"Melting Point": 1345.0,
"Weight": 150.36,
"Density": 7.52,
"Symbol": "Sm",
"Element": "Samarium",
"Atomic Number": 62,
"Boiling Point": 2067.0,
"Heat of ?": 0.197,
"Atomic Radius": 238.0,
"Oxidation Number(s)": [
2,
3
]
},
"Eu": {
"Electronegativity": 1.2,
"Group": 0,
"Melting Point": 1099.0,
"Weight": 151.964,
"Density": 5.243,
"Symbol": "Eu",
"Element": "Europium",
"Atomic Number": 63,
"Boiling Point": 1802.0,
"Heat of ?": 0.182,
"Atomic Radius": 231.0,
"Oxidation Number(s)": [
2,
3
]
},
"Gd": {
"Electronegativity": 1.2,
"Group": 0,
"Melting Point": 1585.0,
"Weight": 157.25,
"Density": 7.895,
"Symbol": "Gd",
"Element": "Gadolinium",
"Atomic Number": 64,
"Boiling Point": 3546.0,
"Heat of ?": 0.236,
"Atomic Radius": 233.0,
"Oxidation Number(s)": [
1,
2,
3
]
},
"Tb": {
"Electronegativity": 1.2,
"Group": 0,
"Melting Point": 1629.0,
"Weight": 158.92535,
"Density": 8.229,
"Symbol": "Tb",
"Element": "Terbium",
"Atomic Number": 65,
"Boiling Point": 3503.0,
"Heat of ?": 0.182,
"Atomic Radius": 225.0,
"Oxidation Number(s)": [
1,
2,
3,
4
]
},
"Dy": {
"Electronegativity": 1.22,
"Group": 0,
"Melting Point": 1680.0,
"Weight": 162.5,
"Density": 8.55,
"Symbol": "Dy",
"Element": "Dysprosium",
"Atomic Number": 66,
"Boiling Point": 2840.0,
"Heat of ?": 0.17,
"Atomic Radius": 228.0,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Ho": {
"Electronegativity": 1.23,
"Group": 0,
"Melting Point": 1734.0,
"Weight": 164.93032,
"Density": 8.795,
"Symbol": "Ho",
"Element": "Holmium",
"Atomic Number": 67,
"Boiling Point": 2993.0,
"Heat of ?": 0.165,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"Er": {
"Electronegativity": 1.24,
"Group": 0,
"Melting Point": 1802.0,
"Weight": 167.259,
"Density": 9.066,
"Symbol": "Er",
"Element": "Erbium",
"Atomic Number": 68,
"Boiling Point": 3141.0,
"Heat of ?": 0.168,
"Atomic Radius": 226.0,
"Oxidation Number(s)": [
2,
3
]
},
"Tm": {
"Electronegativity": 1.25,
"Group": 0,
"Melting Point": 1818.0,
"Weight": 168.93421,
"Density": 9.321,
"Symbol": "Tm",
"Element": "Thulium",
"Atomic Number": 69,
"Boiling Point": 2223.0,
"Heat of ?": 0.16,
"Atomic Radius": 222.0,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Yb": {
"Electronegativity": 1.1,
"Group": 0,
"Melting Point": 1097.0,
"Weight": 173.054,
"Density": 6.965,
"Symbol": "Yb",
"Element": "Ytterbium",
"Atomic Number": 70,
"Boiling Point": 1469.0,
"Heat of ?": 0.155,
"Atomic Radius": 222.0,
"Oxidation Number(s)": [
2,
3
]
},
"Lu": {
"Electronegativity": 1.27,
"Group": 3,
"Melting Point": 1925.0,
"Weight": 174.9668,
"Density": 9.84,
"Symbol": "Lu",
"Element": "Lutetium",
"Atomic Number": 71,
"Boiling Point": 3675.0,
"Heat of ?": 0.154,
"Atomic Radius": 217.0,
"Oxidation Number(s)": [
3
]
},
"Hf": {
"Electronegativity": 1.3,
"Group": 4,
"Melting Point": 2506.0,
"Weight": 178.49,
"Density": 13.31,
"Symbol": "Hf",
"Element": "Hafnium",
"Atomic Number": 72,
"Boiling Point": 4876.0,
"Heat of ?": 0.144,
"Atomic Radius": 208.0,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Ta": {
"Electronegativity": 1.5,
"Group": 5,
"Melting Point": 3290.0,
"Weight": 180.94788,
"Density": 16.654,
"Symbol": "Ta",
"Element": "Tantalum",
"Atomic Number": 73,
"Boiling Point": 5731.0,
"Heat of ?": 0.14,
"Atomic Radius": 200.0,
"Oxidation Number(s)": [
2,
3,
4,
5,
-1
]
},
"W": {
"Electronegativity": 2.36,
"Group": 6,
"Melting Point": 3695.0,
"Weight": 183.84,
"Density": 19.25,
"Symbol": "W",
"Element": "Tungsten",
"Atomic Number": 74,
"Boiling Point": 5828.0,
"Heat of ?": 0.132,
"Atomic Radius": 193.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-2,
-1
]
},
"Re": {
"Electronegativity": 1.9,
"Group": 7,
"Melting Point": 3459.0,
"Weight": 186.207,
"Density": 21.02,
"Symbol": "Re",
"Element": "Rhenium",
"Atomic Number": 75,
"Boiling Point": 5869.0,
"Heat of ?": 0.137,
"Atomic Radius": 188.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
-3,
-1
]
},
"Os": {
"Electronegativity": 2.2,
"Group": 8,
"Melting Point": 3306.0,
"Weight": 190.23,
"Density": 22.61,
"Symbol": "Os",
"Element": "Osmium",
"Atomic Number": 76,
"Boiling Point": 5285.0,
"Heat of ?": 0.13,
"Atomic Radius": 185.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
8,
-2,
-1
]
},
"Ir": {
"Electronegativity": 2.2,
"Group": 9,
"Melting Point": 2719.0,
"Weight": 192.217,
"Density": 22.56,
"Symbol": "Ir",
"Element": "Iridium",
"Atomic Number": 77,
"Boiling Point": 4701.0,
"Heat of ?": 0.131,
"Atomic Radius": 180.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
7,
8,
-3,
-1
]
},
"Pt": {
"Electronegativity": 2.28,
"Group": 10,
"Melting Point": 2041.4,
"Weight": 195.084,
"Density": 21.46,
"Symbol": "Pt",
"Element": "Platinum",
"Atomic Number": 78,
"Boiling Point": 4098.0,
"Heat of ?": 0.133,
"Atomic Radius": 177.0,
"Oxidation Number(s)": [
1,
2,
3,
4,
5,
6,
-2,
-1
]
},
"Au": {
"Electronegativity": 2.54,
"Group": 11,
"Melting Point": 1337.33,
"Weight": 196.966569,
"Density": 19.282,
"Symbol": "Au",
"Element": "Gold",
"Atomic Number": 79,
"Boiling Point": 3129.0,
"Heat of ?": 0.129,
"Atomic Radius": 174.0,
"Oxidation Number(s)": [
1,
2,
3,
5,
-1
]
},
"Hg": {
"Electronegativity": 2.0,
"Group": 12,
"Melting Point": 234.43,
"Weight": 200.592,
"Density": 13.5336,
"Symbol": "Hg",
"Element": "Mercury",
"Atomic Number": 80,
"Boiling Point": 629.88,
"Heat of ?": 0.14,
"Atomic Radius": 171.0,
"Oxidation Number(s)": [
1,
2,
4
]
},
"Tl": {
"Electronegativity": 1.62,
"Group": 13,
"Melting Point": 577.0,
"Weight": 204.389,
"Density": 11.85,
"Symbol": "Tl",
"Element": "Thallium",
"Atomic Number": 81,
"Boiling Point": 1746.0,
"Heat of ?": 0.129,
"Atomic Radius": 156.0,
"Oxidation Number(s)": [
1,
3,
-1
]
},
"Pb": {
"Electronegativity": 1.87,
"Group": 14,
"Melting Point": 600.61,
"Weight": 207.2,
"Density": 11.342,
"Symbol": "Pb",
"Element": "Lead",
"Atomic Number": 82,
"Boiling Point": 2022.0,
"Heat of ?": 0.129,
"Atomic Radius": 154.0,
"Oxidation Number(s)": [
2,
4,
-4
]
},
"Bi": {
"Electronegativity": 2.02,
"Group": 15,
"Melting Point": 544.7,
"Weight": 208.9804,
"Density": 9.807,
"Symbol": "Bi",
"Element": "Bismuth",
"Atomic Number": 83,
"Boiling Point": 1837.0,
"Heat of ?": 0.122,
"Atomic Radius": 143.0,
"Oxidation Number(s)": [
1,
3,
5,
-3
]
},
"Po": {
"Electronegativity": 2.0,
"Group": 16,
"Melting Point": 527.0,
"Weight": 209.0,
"Density": 9.32,
"Symbol": "Po",
"Element": "Polonium",
"Atomic Number": 84,
"Boiling Point": 1235.0,
"Heat of ?": None,
"Atomic Radius": 135.0,
"Oxidation Number(s)": [
2,
4,
5,
6,
-2
]
},
"At": {
"Electronegativity": 2.2,
"Group": 17,
"Melting Point": 575.0,
"Weight": 210.0,
"Density": 7.0,
"Symbol": "At",
"Element": "Astatine",
"Atomic Number": 85,
"Boiling Point": 610.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
1,
3,
5,
7,
-1
]
},
"Rn": {
"Electronegativity": 2.2,
"Group": 18,
"Melting Point": 202.0,
"Weight": 222.0,
"Density": 0.00973,
"Symbol": "Rn",
"Element": "Radon",
"Atomic Number": 86,
"Boiling Point": 211.3,
"Heat of ?": 0.094,
"Atomic Radius": 120.0,
"Oxidation Number(s)": [
2,
6
]
},
"Fr": {
"Electronegativity": 0.7,
"Group": 1,
"Melting Point": 300.0,
"Weight": 223.0,
"Density": 1.87,
"Symbol": "Fr",
"Element": "Francium",
"Atomic Number": 87,
"Boiling Point": 950.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
1
]
},
"Ra": {
"Electronegativity": 0.9,
"Group": 2,
"Melting Point": 973.0,
"Weight": 226.0,
"Density": 5.5,
"Symbol": "Ra",
"Element": "Radium",
"Atomic Number": 88,
"Boiling Point": 2010.0,
"Heat of ?": 0.094,
"Atomic Radius": None,
"Oxidation Number(s)": [
2
]
},
"Ac": {
"Electronegativity": 1.1,
"Group": 0,
"Melting Point": 1323.0,
"Weight": 227.0,
"Density": 10.07,
"Symbol": "Ac",
"Element": "Actinium",
"Atomic Number": 89,
"Boiling Point": 3471.0,
"Heat of ?": 0.12,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"Th": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 2115.0,
"Weight": 232.03806,
"Density": 11.72,
"Symbol": "Th",
"Element": "Thorium",
"Atomic Number": 90,
"Boiling Point": 5061.0,
"Heat of ?": 0.113,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Pa": {
"Electronegativity": 1.5,
"Group": 0,
"Melting Point": 1841.0,
"Weight": 231.03588,
"Density": 15.37,
"Symbol": "Pa",
"Element": "Protactinium",
"Atomic Number": 91,
"Boiling Point": 4300.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4,
5
]
},
"U": {
"Electronegativity": 1.38,
"Group": 0,
"Melting Point": 1405.3,
"Weight": 238.02891,
"Density": 18.95,
"Symbol": "U",
"Element": "Uranium",
"Atomic Number": 92,
"Boiling Point": 4404.0,
"Heat of ?": 0.116,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4,
5,
6
]
},
"Np": {
"Electronegativity": 1.36,
"Group": 0,
"Melting Point": 917.0,
"Weight": 237.0,
"Density": 20.45,
"Symbol": "Np",
"Element": "Neptunium",
"Atomic Number": 93,
"Boiling Point": 4273.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
3,
4,
5,
6,
7
]
},
"Pu": {
"Electronegativity": 1.28,
"Group": 0,
"Melting Point": 912.5,
"Weight": 244.0,
"Density": 19.84,
"Symbol": "Pu",
"Element": "Plutonium",
"Atomic Number": 94,
"Boiling Point": 3501.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
3,
4,
5,
6,
7,
8
]
},
"Am": {
"Electronegativity": 1.13,
"Group": 0,
"Melting Point": 1449.0,
"Weight": 243.0,
"Density": 13.69,
"Symbol": "Am",
"Element": "Americium",
"Atomic Number": 95,
"Boiling Point": 2880.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4,
5,
6,
7
]
},
"Cm": {
"Electronegativity": 1.28,
"Group": 0,
"Melting Point": 1613.0,
"Weight": 247.0,
"Density": 13.51,
"Symbol": "Cm",
"Element": "Curium",
"Atomic Number": 96,
"Boiling Point": 3383.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4,
6,
8
]
},
"Bk": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1259.0,
"Weight": 247.0,
"Density": 14.79,
"Symbol": "Bk",
"Element": "Berkelium",
"Atomic Number": 97,
"Boiling Point": 2900.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Cf": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1173.0,
"Weight": 251.0,
"Density": 15.1,
"Symbol": "Cf",
"Element": "Californium",
"Atomic Number": 98,
"Boiling Point": 1743.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Es": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1133.0,
"Weight": 252.0,
"Density": 8.84,
"Symbol": "Es",
"Element": "Einsteinium",
"Atomic Number": 99,
"Boiling Point": 1269.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3,
4
]
},
"Fm": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1125.0,
"Weight": 257.0,
"Density": None,
"Symbol": "Fm",
"Element": "Fermium",
"Atomic Number": 100,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"Md": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1100.0,
"Weight": 258.0,
"Density": None,
"Symbol": "Md",
"Element": "Mendelevium",
"Atomic Number": 101,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"No": {
"Electronegativity": 1.3,
"Group": 0,
"Melting Point": 1100.0,
"Weight": 259.0,
"Density": None,
"Symbol": "No",
"Element": "Nobelium",
"Atomic Number": 102,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
2,
3
]
},
"Lr": {
"Electronegativity": 1.3,
"Group": 3,
"Melting Point": 1900.0,
"Weight": 262.0,
"Density": None,
"Symbol": "Lr",
"Element": "Lawrencium",
"Atomic Number": 103,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
3
]
},
"Rf": {
"Electronegativity": None,
"Group": 4,
"Melting Point": 2400.0,
"Weight": 267.0,
"Density": 23.2,
"Symbol": "Rf",
"Element": "Rutherfordium",
"Atomic Number": 104,
"Boiling Point": 5800.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
4
]
},
"Db": {
"Electronegativity": None,
"Group": 5,
"Melting Point": None,
"Weight": 268.0,
"Density": 29.3,
"Symbol": "Db",
"Element": "Dubnium",
"Atomic Number": 105,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
5
]
},
"Sg": {
"Electronegativity": None,
"Group": 6,
"Melting Point": None,
"Weight": 269.0,
"Density": 35.0,
"Symbol": "Sg",
"Element": "Seaborgium",
"Atomic Number": 106,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
6
]
},
"Bh": {
"Electronegativity": None,
"Group": 7,
"Melting Point": None,
"Weight": 270.0,
"Density": 37.1,
"Symbol": "Bh",
"Element": "Bohrium",
"Atomic Number": 107,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
7
]
},
"Hs": {
"Electronegativity": None,
"Group": 8,
"Melting Point": None,
"Weight": 269.0,
"Density": 40.7,
"Symbol": "Hs",
"Element": "Hassium",
"Atomic Number": 108,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
8
]
},
"Mt": {
"Electronegativity": None,
"Group": 9,
"Melting Point": None,
"Weight": 278.0,
"Density": 37.4,
"Symbol": "Mt",
"Element": "Meitnerium",
"Atomic Number": 109,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": [
8
]
},
"Ds": {
"Electronegativity": None,
"Group": 10,
"Melting Point": None,
"Weight": 281.0,
"Density": 34.8,
"Symbol": "Ds",
"Element": "Darmstadtium",
"Atomic Number": 110,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Rg": {
"Electronegativity": None,
"Group": 11,
"Melting Point": None,
"Weight": 281.0,
"Density": 28.7,
"Symbol": "Rg",
"Element": "Roentgenium",
"Atomic Number": 111,
"Boiling Point": None,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Cn": {
"Electronegativity": None,
"Group": 12,
"Melting Point": None,
"Weight": 285.0,
"Density": 23.7,
"Symbol": "Cn",
"Element": "Copernicium",
"Atomic Number": 112,
"Boiling Point": 357.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Uut": {
"Electronegativity": None,
"Group": 13,
"Melting Point": 700.0,
"Weight": 286.0,
"Density": 16.0,
"Symbol": "Uut",
"Element": "Ununtrium",
"Atomic Number": 113,
"Boiling Point": 1400.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Fl": {
"Electronegativity": None,
"Group": 14,
"Melting Point": 340.0,
"Weight": 289.0,
"Density": 14.0,
"Symbol": "Fl",
"Element": "Flerovium",
"Atomic Number": 114,
"Boiling Point": 420.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Uup": {
"Electronegativity": None,
"Group": 15,
"Melting Point": 700.0,
"Weight": 288.0,
"Density": 13.5,
"Symbol": "Uup",
"Element": "Ununpentium",
"Atomic Number": 115,
"Boiling Point": 1400.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Lv": {
"Electronegativity": None,
"Group": 16,
"Melting Point": 708.5,
"Weight": 293.0,
"Density": 12.9,
"Symbol": "Lv",
"Element": "Livermorium",
"Atomic Number": 116,
"Boiling Point": 1085.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Uus": {
"Electronegativity": None,
"Group": 17,
"Melting Point": 673.0,
"Weight": 294.0,
"Density": 7.2,
"Symbol": "Uus",
"Element": "Ununseptium",
"Atomic Number": 117,
"Boiling Point": 823.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
},
"Uuo": {
"Electronegativity": None,
"Group": 18,
"Melting Point": 258.0,
"Weight": 294.0,
"Density": 5.0,
"Symbol": "Uuo",
"Element": "Ununoctium",
"Atomic Number": 118,
"Boiling Point": 263.0,
"Heat of ?": None,
"Atomic Radius": None,
"Oxidation Number(s)": None
}
}