Table
Z |
Name |
Standard atomic weight |
Electronegativity (Pauling) |
First Ionization Energy (eV) |
Atomic radii(pm) |
Van der Waals radii(pm) |
Covalent radii(pm) |
Valence electrons |
---|---|---|---|---|---|---|---|---|
1 | Hydrogen | 1.00794(7)2 3 4 | 2.2 | 13.59844 | 25 | 120 | 38 | 1 |
2 | Helium | 4.002602(2)2 4 | no data | 24.58741 | 31 | 140 | 32 | 2 |
3 | Lithium | 6.941(2)2 3 4 5 | 0.98 | 5.39172 | 145 | 182 | 134 | 1 |
4 | Beryllium | 9.012182(3) | 1.57 | 9.3227 | 105 | no data | 90 | 2 |
5 | Boron | 10.811(7)2 3 4 | 2.04 | 8.29803 | 85 | no data | 82 | 3 |
6 | Carbon | 12.0107(8)2 4 | 2.55 | 11.2603 | 70 | 170 | 77 | 4 |
7 | Nitrogen | 14.0067(2)2 4 | 3.04 | 14.53414 | 65 | 155 | 75 | 5 |
8 | Oxygen | 15.9994(3)2 4 | 3.44 | 13.61806 | 60 | 152 | 73 | 6 |
9 | Fluorine | 18.9984032(5) | 3.98 | 17.42282 | 50 | 147 | 71 | 7 |
10 | Neon | 20.10097(6)2 3 | no data | 21.5646 | 38 | 154 | 69 | 8 |
11 | Sodium | 22.98976928(2) | 0.93 | 5.13908 | 180 | 227 | 154 | 1 |
12 | Magnesium | 24.3050(6) | 1.31 | 7.64624 | 150 | 173 | 130 | 2 |
13 | Aluminium | 26.9815386(8) | 1.61 | 5.98577 | 125 | no data | 118 | 3 |
14 | Silicon | 28.0855(3)4 | 1.9 | 8.15169 | 110 | 210 | 111 | 4 |
15 | Phosphorus | 30.973762(2) | 2.19 | 10.48669 | 100 | 180 | 106 | 5 |
16 | Sulfur | 32.065(5)2 4 | 2.58 | 10.36001 | 100 | 180 | 102 | 6 |
17 | Chlorine | 35.453(2)2 3 4 | 3.16 | 12.96764 | 100 | 175 | 99 | 7 |
18 | Argon | 39.948(1)2 4 | no data | 15.75962 | 71 | 188 | 97 | 8 |
19 | Potassium | 39.0983(1) | 0.82 | 4.34066 | 220 | 275 | 196 | 1 |
20 | Calcium | 40.078(4)2 | 1 | 6.11316 | 180 | no data | 174 | 2 |
21 | Scandium | 44.955912(6) | 1.36 | 6.5615 | 160 | no data | 144 | 2 |
22 | Titanium | 47.867(1) | 1.54 | 6.8281 | 140 | no data | 136 | 2 |
23 | Vanadium | 50.9415(1) | 1.63 | 6.7462 | 135 | no data | 125 | 2 |
24 | Chromium | 51.9961(6) | 1.66 | 6.7665 | 140 | no data | 127 | 1 |
25 | Manganese | 54.938045(5) | 1.55 | 7.43402 | 140 | no data | 139 | 2 |
26 | Iron | 55.845(2) | 1.83 | 7.9024 | 140 | no data | 125 | 2 |
27 | Cobalt | 58.933195(5) | 1.91 | 7.6398 | 135 | 163 | 121 | 2 |
28 | Nickel | 58.6934(4) | 1.88 | 7.881 | 135 | no data | 126 | 2 |
29 | Copper | 63.546(3)4 | 1.9 | 7.72638 | 135 | 140 | 138 | 1 |
30 | Zinc | 65.38(2) | 1.65 | 9.3942 | 135 | 139 | 131 | 2 |
31 | Gallium | 69.723(1) | 1.81 | 5.9993 | 130 | 187 | 126 | 3 |
32 | Germanium | 72.64(1) | 2.01 | 7.8994 | 125 | no data | 122 | 4 |
33 | Arsenic | 74.92160(2) | 2.18 | 9.7886 | 115 | 185 | 119 | 5 |
34 | Selenium | 78.96(3)4 | 2.55 | 9.75238 | 115 | 190 | 116 | 6 |
35 | Bromine | 79.904(1) | 2.96 | 11.81381 | 115 | 185 | 114 | 7 |
36 | Krypton | 83.798(2)2 3 | 3 | 13.99961 | 88 | 202 | 110 | 8 |
37 | Rubidium | 85.4678(3)2 | 0.82 | 4.17713 | 235 | no data | 211 | 1 |
38 | Strontium | 87.62(1)2 4 | 0.95 | 5.6949 | 200 | no data | 192 | 2 |
39 | Yttrium | 88.90585(2) | 1.22 | 6.2171 | 180 | no data | 162 | 2 |
40 | Zirconium | 91.224(2)2 | 1.33 | 6.6339 | 155 | no data | 148 | 2 |
41 | Niobium | 92.90638(2) | 1.6 | 6.75885 | 145 | no data | 137 | 1 |
42 | Molybdenum | 95.96(2)2 | 2.16 | 7.09243 | 145 | no data | 145 | 1 |
43 | Technetium | 1 | 1.9 | 7.28 | 135 | no data | 156 | 1 |
44 | Ruthenium | 101.07(2)2 | 2.2 | 7.3605 | 130 | no data | 126 | 1 |
45 | Rhodium | 102.90550(2) | 2.28 | 7.4589 | 135 | no data | 135 | 1 |
46 | Palladium | 106.42(1)2 | 2.2 | 8.3369 | 140 | 163 | 131 | |
47 | Silver | 107.8682(2)2 | 1.93 | 7.5762 | 160 | 172 | 153 | 1 |
48 | Cadmium | 112.411(8)2 | 1.69 | 8.9938 | 155 | 158 | 148 | 2 |
49 | Indium | 114.818(3) | 1.78 | 5.78636 | 155 | 193 | 144 | 3 |
50 | Tin | 118.710(7)2 | 1.96 | 7.3439 | 145 | 217 | 141 | 4 |
51 | Antimony | 121.760(1)2 | 2.05 | 8.6084 | 145 | no data | 138 | 5 |
52 | Tellurium | 127.60(3)2 | 2.1 | 9.0096 | 140 | 206 | 135 | 6 |
53 | Iodine | 126.90447(3) | 2.66 | 10.45126 | 140 | 198 | 133 | 7 |
54 | Xenon | 131.293(6)2 3 | 2.6 | 12.1298 | 108 | 216 | 130 | 8 |
55 | Caesium | 132.9054519(2) | 0.79 | 3.8939 | 260 | no data | 225 | 1 |
56 | Barium | 137.327(7) | 0.89 | 5.2117 | 215 | no data | 198 | 2 |
57 | Lanthanum | 138.90547(7)2 | 1.1 | 5.5769 | 195 | no data | 169 | 2 |
58 | Cerium | 140.116(1)2 | 1.12 | 5.5387 | 185 | no data | no data | 2 |
59 | Praseodymium | 140.90765(2) | 1.13 | 5.473 | 185 | no data | no data | 2 |
60 | Neodymium | 144.242(3)2 | 1.14 | 5.525 | 185 | no data | no data | 2 |
61 | Promethium | 1 | no data | 5.582 | 185 | no data | no data | 2 |
62 | Samarium | 150.36(2)2 | 1.17 | 5.6436 | 185 | no data | no data | 2 |
63 | Europium | 151.964(1)2 | no data | 5.6704 | 185 | no data | no data | 2 |
64 | Gadolinium | 157.25(3)2 | 1.2 | 6.1501 | 180 | no data | no data | 2 |
65 | Terbium | 158.92535(2) | no data | 5.8638 | 175 | no data | no data | 2 |
66 | Dysprosium | 162.500(1)2 | 1.22 | 5.9389 | 175 | no data | no data | 2 |
67 | Holmium | 164.93032(2) | 1.23 | 6.0215 | 175 | no data | no data | 2 |
68 | Erbium | 167.259(3)2 | 1.24 | 6.1077 | 175 | no data | no data | 2 |
69 | Thulium | 168.93421(2) | 1.25 | 6.18431 | 175 | no data | no data | 2 |
70 | Ytterbium | 173.054(5)2 | no data | 6.25416 | 175 | no data | no data | 2 |
71 | Lutetium | 174.9668(1)2 | 1.27 | 5.4259 | 175 | no data | 160 | 2 |
72 | Hafnium | 178.49(2) | 1.3 | 6.82507 | 155 | no data | 150 | 2 |
73 | Tantalum | 180.94788(2) | 1.5 | 7.5496 | 145 | no data | 138 | 2 |
74 | Tungsten | 183.84(1) | 2.36 | 7.864 | 135 | no data | 146 | 2 |
75 | Rhenium | 186.207(1) | 1.9 | 7.8335 | 135 | no data | 159 | 2 |
76 | Osmium | 190.23(3)2 | 2.2 | 8.4382 | 130 | no data | 128 | 2 |
77 | Iridium | 192.217(3) | 2.2 | 8.967 | 135 | no data | 137 | 2 |
78 | Platinum | 195.084(9) | 2.28 | 8.9587 | 135 | 175 | 128 | 1 |
79 | Gold | 196.966569(4) | 2.54 | 9.2255 | 135 | 166 | 144 | 1 |
80 | Mercury | 200.59(2) | 2 | 10.4375 | 150 | 155 | 149 | 2 |
81 | Thallium | 204.3833(2) | 1.62 | 6.1082 | 190 | 196 | 148 | 3 |
82 | Lead | 207.2(1)2 4 | 2.33 | 7.41666 | 180 | 202 | 147 | 4 |
83 | Bismuth | 208.98040(1) | 2.02 | 7.2856 | 160 | no data | 146 | 5 |
84 | Polonium | 1 | 2 | 8.417 | 190 | no data | no data | 6 |
85 | Astatine | 1 | 2.2 | no data | no data | no data | 7 | |
86 | Radon | 1 | no data | 10.7485 | 120 | no data | 145 | 8 |
87 | Francium | 1 | 0.7 | 4.0727 | no data | no data | no data | 1 |
88 | Radium | 1 | 0.9 | 5.2784 | 215 | no data | no data | 2 |
89 | Actinium | 1 | 1.1 | 5.17 | 195 | no data | no data | 2 |
90 | Thorium | 232.03806(2)1 2 | 1.3 | 6.3067 | 180 | no data | no data | 2 |
91 | Protactinium | 231.03588(2)1 | 1.5 | 5.89 | 180 | no data | no data | 2 |
92 | Uranium | 238.02891(3)1 2 3 | 1.38 | 6.19405 | 175 | 186 | no data | 2 |
93 | Neptunium | 1 | 1.36 | 6.2657 | 175 | no data | no data | 2 |
94 | Plutonium | 1 | 1.28 | 6.0262 | 175 | no data | no data | 2 |
95 | Americium | 1 | 1.3 | 5.9738 | 175 | no data | no data | 2 |
96 | Curium | 1 | 1.3 | 5.9915 | 2 | |||
97 | Berkelium | 1 | 1.3 | 6.1979 | 2 | |||
98 | Californium | 1 | 1.3 | 6.2817 | 2 | |||
99 | Einsteinium | 1 | 1.3 | 6.42 | 2 | |||
100 | Fermium | 1 | 1.3 | 6.5 | 2 | |||
101 | Mendelevium | 1 | 1.3 | 6.58 | 2 | |||
102 | Nobelium | 1 | 1.3 | 6.65 | 2 | |||
103 | Lawrencium | 1 | 4.9 | 3 | ||||
104 | Rutherfordium | 1 | 6 | |||||
105 | Dubnium | 1 | ||||||
106 | Seaborgium | 1 | ||||||
107 | Bohrium | 1 | ||||||
108 | Hassium | 1 | ||||||
109 | Meitnerium | 1 | ||||||
110 | Darmstadtium | 1 | ||||||
111 | Roentgenium | 1 | ||||||
112 | Copernicium | 1 | ||||||
113 | Ununtrium | 1 | ||||||
114 | Flerovium | 1 | ||||||
115 | Ununpentium | 1 | ||||||
116 | Livermorium | 1 | ||||||
117 | Ununseptium | 1 | ||||||
118 | Ununoctium | 1 |
Read more about this topic: List Of Elements By Atomic Properties
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