All 118 elements

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1 H Hydrogen 1.008 Nonmetal 1 1 1s¹ 14 0 2.2
2 He Helium 4.003 Noble gas 1 18 1s² 1 0 —
3 Li Lithium 6.94 Alkali metal 2 1 [He] 2s¹ 453.7 0.534 0.98
4 Be Beryllium 9.012 Alkaline earth 2 2 [He] 2s² 1560 1.85 1.57
5 B Boron 10.81 Metalloid 2 13 [He] 2s² 2p¹ 2348 2.37 2.04
6 C Carbon 12.011 Nonmetal 2 14 [He] 2s² 2p² 3823 2.267 2.55
7 N Nitrogen 14.007 Nonmetal 2 15 [He] 2s² 2p³ 63.2 0.001 3.04
8 O Oxygen 15.999 Nonmetal 2 16 [He] 2s² 2p⁴ 54.4 0.001 3.44
9 F Fluorine 18.998 Halogen 2 17 [He] 2s² 2p⁵ 53.5 0.002 3.98
10 Ne Neon 20.18 Noble gas 2 18 [He] 2s² 2p⁶ 24.6 0.001 —
11 Na Sodium 22.99 Alkali metal 3 1 [Ne] 3s¹ 370.9 0.968 0.93
12 Mg Magnesium 24.305 Alkaline earth 3 2 [Ne] 3s² 923 1.738 1.31
13 Al Aluminum 26.982 Post-transition 3 13 [Ne] 3s² 3p¹ 933.5 2.7 1.61
14 Si Silicon 28.085 Metalloid 3 14 [Ne] 3s² 3p² 1687 2.33 1.9
15 P Phosphorus 30.974 Nonmetal 3 15 [Ne] 3s² 3p³ 317.3 1.823 2.19
16 S Sulfur 32.06 Nonmetal 3 16 [Ne] 3s² 3p⁴ 388.4 2.067 2.58
17 Cl Chlorine 35.45 Halogen 3 17 [Ne] 3s² 3p⁵ 171.6 0.003 3.16
18 Ar Argon 39.948 Noble gas 3 18 [Ne] 3s² 3p⁶ 83.8 0.002 —
19 K Potassium 39.098 Alkali metal 4 1 [Ar] 4s¹ 336.5 0.89 0.82
20 Ca Calcium 40.078 Alkaline earth 4 2 [Ar] 4s² 1115 1.54 1
21 Sc Scandium 44.956 Transition metal 4 3 [Ar] 3d¹ 4s² 1814 2.985 1.36
22 Ti Titanium 47.867 Transition metal 4 4 [Ar] 3d² 4s² 1941 4.506 1.54
23 V Vanadium 50.942 Transition metal 4 5 [Ar] 3d³ 4s² 2183 6.11 1.63
24 Cr Chromium 51.996 Transition metal 4 6 [Ar] 3d⁵ 4s¹ 2180 7.15 1.66
25 Mn Manganese 54.938 Transition metal 4 7 [Ar] 3d⁵ 4s² 1519 7.21 1.55
26 Fe Iron 55.845 Transition metal 4 8 [Ar] 3d⁶ 4s² 1811 7.874 1.83
27 Co Cobalt 58.933 Transition metal 4 9 [Ar] 3d⁷ 4s² 1768 8.9 1.88
28 Ni Nickel 58.693 Transition metal 4 10 [Ar] 3d⁸ 4s² 1728 8.908 1.91
29 Cu Copper 63.546 Transition metal 4 11 [Ar] 3d¹⁰ 4s¹ 1357.8 8.96 1.9
30 Zn Zinc 65.38 Transition metal 4 12 [Ar] 3d¹⁰ 4s² 692.9 7.134 1.65
31 Ga Gallium 69.723 Post-transition 4 13 [Ar] 3d¹⁰ 4s² 4p¹ 302.9 5.91 1.81
32 Ge Germanium 72.64 Metalloid 4 14 [Ar] 3d¹⁰ 4s² 4p² 1211.4 5.323 2.01
33 As Arsenic 74.922 Metalloid 4 15 [Ar] 3d¹⁰ 4s² 4p³ 1090 5.727 2.18
34 Se Selenium 78.96 Nonmetal 4 16 [Ar] 3d¹⁰ 4s² 4p⁴ 453 4.81 2.55
35 Br Bromine 79.904 Halogen 4 17 [Ar] 3d¹⁰ 4s² 4p⁵ 265.8 3.103 2.96
36 Kr Krypton 83.798 Noble gas 4 18 [Ar] 3d¹⁰ 4s² 4p⁶ 115.8 0.004 3
37 Rb Rubidium 85.468 Alkali metal 5 1 [Kr] 5s¹ 312.5 1.532 0.82
38 Sr Strontium 87.62 Alkaline earth 5 2 [Kr] 5s² 1050 2.64 0.95
39 Y Yttrium 88.906 Transition metal 5 3 [Kr] 4d¹ 5s² 1799 4.472 1.22
40 Zr Zirconium 91.224 Transition metal 5 4 [Kr] 4d² 5s² 2128 6.52 1.33
41 Nb Niobium 92.906 Transition metal 5 5 [Kr] 4d⁴ 5s¹ 2750 8.57 1.6
42 Mo Molybdenum 95.95 Transition metal 5 6 [Kr] 4d⁵ 5s¹ 2896 10.28 2.16
43 Tc Technetium 98 Transition metal 5 7 [Kr] 4d⁵ 5s² 2430 11 1.9
44 Ru Ruthenium 101.07 Transition metal 5 8 [Kr] 4d⁷ 5s¹ 2607 12.45 2.2
45 Rh Rhodium 102.906 Transition metal 5 9 [Kr] 4d⁸ 5s¹ 2237 12.41 2.28
46 Pd Palladium 106.42 Transition metal 5 10 [Kr] 4d¹⁰ 1828 12.023 2.2
47 Ag Silver 107.868 Transition metal 5 11 [Kr] 4d¹⁰ 5s¹ 1234.9 10.501 1.93
48 Cd Cadmium 112.414 Transition metal 5 12 [Kr] 4d¹⁰ 5s² 594.2 8.65 1.69
49 In Indium 114.818 Post-transition 5 13 [Kr] 4d¹⁰ 5s² 5p¹ 429.8 7.31 1.78
50 Sn Tin 118.71 Post-transition 5 14 [Kr] 4d¹⁰ 5s² 5p² 505.1 7.265 1.96
51 Sb Antimony 121.76 Metalloid 5 15 [Kr] 4d¹⁰ 5s² 5p³ 903.8 6.697 2.05
52 Te Tellurium 127.6 Metalloid 5 16 [Kr] 4d¹⁰ 5s² 5p⁴ 722.7 6.24 2.1
53 I Iodine 126.904 Halogen 5 17 [Kr] 4d¹⁰ 5s² 5p⁵ 386.9 4.93 2.66
54 Xe Xenon 131.293 Noble gas 5 18 [Kr] 4d¹⁰ 5s² 5p⁶ 161.4 0.006 2.6
55 Cs Cesium 132.905 Alkali metal 6 1 [Xe] 6s¹ 301.6 1.93 0.79
56 Ba Barium 137.327 Alkaline earth 6 2 [Xe] 6s² 1000 3.51 0.89
57 La Lanthanum 138.905 Lanthanide 6 — [Xe] 5d¹ 6s² 1193 6.162 1.1
58 Ce Cerium 140.116 Lanthanide 6 — [Xe] 4f¹ 5d¹ 6s² 1068 6.77 1.12
59 Pr Praseodymium 140.908 Lanthanide 6 — [Xe] 4f³ 6s² 1208 6.77 1.13
60 Nd Neodymium 144.242 Lanthanide 6 — [Xe] 4f⁴ 6s² 1294 7.01 1.14
61 Pm Promethium 145 Lanthanide 6 — [Xe] 4f⁵ 6s² 1315 7.26 1.13
62 Sm Samarium 150.36 Lanthanide 6 — [Xe] 4f⁶ 6s² 1345 7.52 1.17
63 Eu Europium 151.964 Lanthanide 6 — [Xe] 4f⁷ 6s² 1095 5.244 1.2
64 Gd Gadolinium 157.25 Lanthanide 6 — [Xe] 4f⁷ 5d¹ 6s² 1585 7.9 1.2
65 Tb Terbium 158.925 Lanthanide 6 — [Xe] 4f⁹ 6s² 1629 8.23 1.2
66 Dy Dysprosium 162.5 Lanthanide 6 — [Xe] 4f¹⁰ 6s² 1680 8.54 1.22
67 Ho Holmium 164.93 Lanthanide 6 — [Xe] 4f¹¹ 6s² 1734 8.79 1.23
68 Er Erbium 167.259 Lanthanide 6 — [Xe] 4f¹² 6s² 1802 9.066 1.24
69 Tm Thulium 168.934 Lanthanide 6 — [Xe] 4f¹³ 6s² 1818 9.32 1.25
70 Yb Ytterbium 173.045 Lanthanide 6 — [Xe] 4f¹⁴ 6s² 1092 6.9 1.1
71 Lu Lutetium 174.967 Lanthanide 6 — [Xe] 4f¹⁴ 5d¹ 6s² 1925 9.841 1.27
72 Hf Hafnium 178.49 Transition metal 6 4 [Xe] 4f¹⁴ 5d² 6s² 2506 13.31 1.3
73 Ta Tantalum 180.948 Transition metal 6 5 [Xe] 4f¹⁴ 5d³ 6s² 3290 16.69 1.5
74 W Tungsten 183.84 Transition metal 6 6 [Xe] 4f¹⁴ 5d⁴ 6s² 3695 19.25 2.36
75 Re Rhenium 186.207 Transition metal 6 7 [Xe] 4f¹⁴ 5d⁵ 6s² 3459 21.02 1.9
76 Os Osmium 190.23 Transition metal 6 8 [Xe] 4f¹⁴ 5d⁶ 6s² 3306 22.59 2.2
77 Ir Iridium 192.217 Transition metal 6 9 [Xe] 4f¹⁴ 5d⁷ 6s² 2719 22.56 2.2
78 Pt Platinum 195.084 Transition metal 6 10 [Xe] 4f¹⁴ 5d⁹ 6s¹ 2041.4 21.45 2.28
79 Au Gold 196.967 Transition metal 6 11 [Xe] 4f¹⁴ 5d¹⁰ 6s¹ 1337.3 19.32 2.54
80 Hg Mercury 200.592 Transition metal 6 12 [Xe] 4f¹⁴ 5d¹⁰ 6s² 234.3 13.534 2
81 Tl Thallium 204.38 Post-transition 6 13 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹ 577 11.85 1.62
82 Pb Lead 207.2 Post-transition 6 14 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p² 600.6 11.342 2.33
83 Bi Bismuth 208.98 Post-transition 6 15 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³ 544.7 9.78 2.02
84 Po Polonium 209 Post-transition 6 16 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴ 527 9.196 2
85 At Astatine 210 Metalloid 6 17 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵ 575 7 2.2
86 Rn Radon 222 Noble gas 6 18 [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶ 202 0.01 2.2
87 Fr Francium 223 Alkali metal 7 1 [Rn] 7s¹ 300 1.87 0.7
88 Ra Radium 226 Alkaline earth 7 2 [Rn] 7s² 1233 5.5 0.9
89 Ac Actinium 227 Actinide 7 — [Rn] 6d¹ 7s² 1323 10.07 1.1
90 Th Thorium 232.038 Actinide 7 — [Rn] 6d² 7s² 2023 11.72 1.3
91 Pa Protactinium 231.036 Actinide 7 — [Rn] 5f² 6d¹ 7s² 1845 15.37 1.5
92 U Uranium 238.029 Actinide 7 — [Rn] 5f³ 6d¹ 7s² 1405.3 19.1 1.38
93 Np Neptunium 237 Actinide 7 — [Rn] 5f⁴ 6d¹ 7s² 917 20.45 1.36
94 Pu Plutonium 244 Actinide 7 — [Rn] 5f⁶ 7s² 913 19.85 1.28
95 Am Americium 243 Actinide 7 — [Rn] 5f⁷ 7s² 1449 12 1.13
96 Cm Curium 247 Actinide 7 — [Rn] 5f⁷ 6d¹ 7s² 1618 13.51 1.28
97 Bk Berkelium 247 Actinide 7 — [Rn] 5f⁹ 7s² 1323 14.78 1.3
98 Cf Californium 251 Actinide 7 — [Rn] 5f¹⁰ 7s² 1173 15.1 1.3
99 Es Einsteinium 252 Actinide 7 — [Rn] 5f¹¹ 7s² 1133 8.84 1.3
100 Fm Fermium 257 Actinide 7 — [Rn] 5f¹² 7s² 1800 9.7 1.3
101 Md Mendelevium 258 Actinide 7 — [Rn] 5f¹³ 7s² 1100 10.3 1.3
102 No Nobelium 259 Actinide 7 — [Rn] 5f¹⁴ 7s² 1100 9.9 1.3
103 Lr Lawrencium 262 Actinide 7 — [Rn] 5f¹⁴ 7s² 7p¹ 1900 15.6 1.3
104 Rf Rutherfordium 267 Transition metal 7 4 [Rn] 5f¹⁴ 6d² 7s² 2400 23.2 —
105 Db Dubnium 268 Transition metal 7 5 [Rn] 5f¹⁴ 6d³ 7s² — 29.3 —
106 Sg Seaborgium 271 Transition metal 7 6 [Rn] 5f¹⁴ 6d⁴ 7s² — 35 —
107 Bh Bohrium 272 Transition metal 7 7 [Rn] 5f¹⁴ 6d⁵ 7s² — 37.1 —
108 Hs Hassium 270 Transition metal 7 8 [Rn] 5f¹⁴ 6d⁶ 7s² — 40.7 —
109 Mt Meitnerium 276 Transition metal 7 9 [Rn] 5f¹⁴ 6d⁷ 7s² — 37.4 —
110 Ds Darmstadtium 281 Transition metal 7 10 [Rn] 5f¹⁴ 6d⁸ 7s² — 34.8 —
111 Rg Roentgenium 280 Transition metal 7 11 [Rn] 5f¹⁴ 6d⁹ 7s² — 28.7 —
112 Cn Copernicium 285 Transition metal 7 12 [Rn] 5f¹⁴ 6d¹⁰ 7s² 283 23.7 —
113 Nh Nihonium 284 Post-transition 7 13 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ 700 16 —
114 Fl Flerovium 289 Post-transition 7 14 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p² 200 14 —
115 Mc Moscovium 288 Post-transition 7 15 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ 670 13.5 —
116 Lv Livermorium 293 Post-transition 7 16 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴ 623 12.9 —
117 Ts Tennessine 294 Halogen 7 17 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ 623 7.2 —
118 Og Oganesson 294 Noble gas 7 18 [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶ 325 5 —

Mass in unified atomic mass units · density in g/cm³ (gases at STP) · electronegativity on the Pauling scale · sources: IUPAC 2021, CRC Handbook, NIST

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