List of elements by atomic properties

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This is a list of chemical elements and their atomic properties.


Table[edit]

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 [98]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 [145]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 [209]1 2 8.417 190 no data no data 6
85 Astatine [210]1 2.2 no data no data no data 7
86 Radon [222]1 no data 10.7485 120 no data 145 8
87 Francium [223]1 0.7 4.0727 no data no data no data 1
88 Radium [226]1 0.9 5.2784 215 no data no data 2
89 Actinium [227]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 [237]1 1.36 6.2657 175 no data no data 2
94 Plutonium [244]1 1.28 6.0262 175 no data no data 2
95 Americium [243]1 1.3 5.9738 175 no data no data 2
96 Curium [247]1 1.3 5.9915 2
97 Berkelium [247]1 1.3 6.1979 2
98 Californium [251]1 1.3 6.2817 2
99 Einsteinium [252]1 1.3 6.42 2
100 Fermium [257]1 1.3 6.5 2
101 Mendelevium [258]1 1.3 6.58 2
102 Nobelium [259]1 1.3 6.65 2
103 Lawrencium [262]1 4.9 3
104 Rutherfordium [261]1 6
105 Dubnium [262]1
106 Seaborgium [263]1
107 Bohrium [262]1
108 Hassium [265]1
109 Meitnerium [266]1
110 Darmstadtium [269]1
111 Roentgenium [272]1
112 Copernicium [277]1
113 Ununtrium [283]1
114 Flerovium [285]1
115 Ununpentium [287]1
116 Livermorium [289]1
117 Ununseptium [291]1
118 Ununoctium [293]1

Notes[edit]

  • a few atomic radii are calculated, not experimental