298 K
2025
1 H Hydrogen 1.008 1s1 0.00008988 g/cm³
2 He Helium 4.0026 1s2 0.0001785 g/cm³
3 Li Lithium 6.94 [He] 2s1 0.534 g/cm³
4 Be Beryllium 9.0122 [He] 2s2 1.85 g/cm³
5 B Boron 10.81 [He] 2s2 2p1 2.34 g/cm³
6 C Carbon 12.011 [He] 2s2 2p2 2.267 g/cm³
7 N Nitrogen 14.007 [He] 2s2 2p3 0.0012506 g/cm³
8 O Oxygen 15.999 [He] 2s2 2p4 0.001429 g/cm³
9 F Fluorine 18.998 [He] 2s2 2p5 0.001696 g/cm³
10 Ne Neon 20.18 [He] 2s2 2p6 0.0008999 g/cm³
11 Na Sodium 22.99 [Ne] 3s1 0.971 g/cm³
12 Mg Magnesium 24.305 [Ne] 3s2 1.738 g/cm³
13 Al Aluminum 26.982 [Ne] 3s2 3p1 2.698 g/cm³
14 Si Silicon 28.085 [Ne] 3s2 3p2 2.3296 g/cm³
15 P Phosphorus 30.974 [Ne] 3s2 3p3 1.82 g/cm³
16 S Sulfur 32.06 [Ne] 3s2 3p4 2.067 g/cm³
17 Cl Chlorine 35.45 [Ne] 3s2 3p5 0.003214 g/cm³
18 Ar Argon 39.948 [Ne] 3s2 3p6 0.0017837 g/cm³
19 K Potassium 39.098 [Ar] 4s1 0.862 g/cm³
20 Ca Calcium 40.078 [Ar] 4s2 1.55 g/cm³
21 Sc Scandium 44.956 [Ar] 3d1 4s2 2.989 g/cm³
22 Ti Titanium 47.867 [Ar] 3d2 4s2 4.54 g/cm³
23 V Vanadium 50.942 [Ar] 3d3 4s2 6.11 g/cm³
24 Cr Chromium 51.996 [Ar] 3d5 4s1 7.15 g/cm³
25 Mn Manganese 54.938 [Ar] 3d5 4s2 7.44 g/cm³
26 Fe Iron 55.845 [Ar] 3d6 4s2 7.874 g/cm³
27 Co Cobalt 58.933 [Ar] 3d7 4s2 8.9 g/cm³
28 Ni Nickel 58.693 [Ar] 3d8 4s2 8.912 g/cm³
29 Cu Copper 63.546 [Ar] 3d10 4s1 8.96 g/cm³
30 Zn Zinc 65.38 [Ar] 3d10 4s2 7.134 g/cm³
31 Ga Gallium 69.723 [Ar] 3d10 4s2 4p1 5.907 g/cm³
32 Ge Germanium 72.63 [Ar] 3d10 4s2 4p2 5.323 g/cm³
33 As Arsenic 74.922 [Ar] 3d10 4s2 4p3 5.776 g/cm³
34 Se Selenium 78.971 [Ar] 3d10 4s2 4p4 4.809 g/cm³
35 Br Bromine 79.904 [Ar] 3d10 4s2 4p5 3.1028 g/cm³
36 Kr Krypton 83.798 [Ar] 3d10 4s2 4p6 0.003733 g/cm³
37 Rb Rubidium 85.468 [Kr] 5s1 1.532 g/cm³
38 Sr Strontium 87.62 [Kr] 5s2 2.64 g/cm³
39 Y Yttrium 88.906 [Kr] 4d1 5s2 4.469 g/cm³
40 Zr Zirconium 91.224 [Kr] 4d2 5s2 6.506 g/cm³
41 Nb Niobium 92.906 [Kr] 4d4 5s1 8.57 g/cm³
42 Mo Molybdenum 95.95 [Kr] 4d5 5s1 10.22 g/cm³
43 Tc Technetium 98.0 [Kr] 4d5 5s2 11.5 g/cm³
44 Ru Ruthenium 101.07 [Kr] 4d7 5s1 12.37 g/cm³
45 Rh Rhodium 102.91 [Kr] 4d8 5s1 12.41 g/cm³
46 Pd Palladium 106.42 [Kr] 4d10 12.02 g/cm³
47 Ag Silver 107.87 [Kr] 4d10 5s1 10.501 g/cm³
48 Cd Cadmium 112.41 [Kr] 4d10 5s2 8.69 g/cm³
49 In Indium 114.82 [Kr] 4d10 5s2 5p1 7.31 g/cm³
50 Sn Tin 118.71 [Kr] 4d10 5s2 5p2 7.287 g/cm³
51 Sb Antimony 121.76 [Kr] 4d10 5s2 5p3 6.685 g/cm³
52 Te Tellurium 127.6 [Kr] 4d10 5s2 5p4 6.232 g/cm³
53 I Iodine 126.9 [Kr] 4d10 5s2 5p5 4.93 g/cm³
54 Xe Xenon 131.29 [Kr] 4d10 5s2 5p6 0.005887 g/cm³
55 Cs Cesium 132.91 [Xe] 6s1 1.873 g/cm³
56 Ba Barium 137.33 [Xe] 6s2 3.594 g/cm³
57 La Lanthanum 138.91 [Xe] 5d1 6s2 6.145 g/cm³
58 Ce Cerium 140.12 [Xe] 4f1 5d1 6s2 6.77 g/cm³
59 Pr Praseodymium 140.91 [Xe] 4f3 6s2 6.773 g/cm³
60 Nd Neodymium 144.24 [Xe] 4f4 6s2 7.007 g/cm³
61 Pm Promethium 145.0 [Xe] 4f5 6s2 7.26 g/cm³
62 Sm Samarium 150.36 [Xe] 4f6 6s2 7.52 g/cm³
63 Eu Europium 151.96 [Xe] 4f7 6s2 5.243 g/cm³
64 Gd Gadolinium 157.25 [Xe] 4f7 5d1 6s2 7.895 g/cm³
65 Tb Terbium 158.93 [Xe] 4f9 6s2 8.229 g/cm³
66 Dy Dysprosium 162.5 [Xe] 4f10 6s2 8.55 g/cm³
67 Ho Holmium 164.93 [Xe] 4f11 6s2 8.795 g/cm³
68 Er Erbium 167.26 [Xe] 4f12 6s2 9.066 g/cm³
69 Tm Thulium 168.93 [Xe] 4f13 6s2 9.321 g/cm³
70 Yb Ytterbium 173.05 [Xe] 4f14 6s2 6.965 g/cm³
71 Lu Lutetium 174.97 [Xe] 4f14 5d1 6s2 9.84 g/cm³
72 Hf Hafnium 178.49 [Xe] 4f14 5d2 6s2 13.31 g/cm³
73 Ta Tantalum 180.95 [Xe] 4f14 5d3 6s2 16.654 g/cm³
74 W Tungsten 183.84 [Xe] 4f14 5d4 6s2 19.25 g/cm³
75 Re Rhenium 186.21 [Xe] 4f14 5d5 6s2 21.02 g/cm³
76 Os Osmium 190.23 [Xe] 4f14 5d6 6s2 22.587 g/cm³
77 Ir Iridium 192.22 [Xe] 4f14 5d7 6s2 22.56 g/cm³
78 Pt Platinum 195.08 [Xe] 4f14 5d9 6s1 21.46 g/cm³
79 Au Gold 196.97 [Xe] 4f14 5d10 6s1 19.282 g/cm³
80 Hg Mercury 200.59 [Xe] 4f14 5d10 6s2 13.5336 g/cm³
81 Tl Thallium 204.38 [Xe] 4f14 5d10 6s2 6p1 11.85 g/cm³
82 Pb Lead 207.2 [Xe] 4f14 5d10 6s2 6p2 11.342 g/cm³
83 Bi Bismuth 208.98 [Xe] 4f14 5d10 6s2 6p3 9.807 g/cm³
84 Po Polonium 209.0 [Xe] 4f14 5d10 6s2 6p4 9.32 g/cm³
85 At Astatine 210.0 [Xe] 4f14 5d10 6s2 6p5 7.0 g/cm³
86 Rn Radon 222.0 [Xe] 4f14 5d10 6s2 6p6 0.00973 g/cm³
87 Fr Francium 223.0 [Rn] 7s1 1.87 g/cm³
88 Ra Radium 226.0 [Rn] 7s2 5.5 g/cm³
89 Ac Actinium 227.0 [Rn] 6d1 7s2 10.07 g/cm³
90 Th Thorium 232.04 [Rn] 6d2 7s2 11.72 g/cm³
91 Pa Protactinium 231.04 [Rn] 5f2 6d1 7s2 15.37 g/cm³
92 U Uranium 238.03 [Rn] 5f3 6d1 7s2 19.1 g/cm³
93 Np Neptunium 237.0 [Rn] 5f4 6d1 7s2 20.45 g/cm³
94 Pu Plutonium 244.0 [Rn] 5f6 7s2 19.84 g/cm³
95 Am Americium 243.0 [Rn] 5f7 7s2 13.69 g/cm³
96 Cm Curium 247.0 [Rn] 5f7 6d1 7s2 13.51 g/cm³
97 Bk Berkelium 247.0 [Rn] 5f9 7s2 14.79 g/cm³
98 Cf Californium 251.0 [Rn] 5f10 7s2 15.1 g/cm³
99 Es Einsteinium 252.0 [Rn] 5f11 7s2 8.84 g/cm³
100 Fm Fermium 257.0 [Rn] 5f12 7s2 9.7 g/cm³
101 Md Mendelevium 258.0 [Rn] 5f13 7s2 10.3 g/cm³
102 No Nobelium 259.0 [Rn] 5f14 7s2 9.9 g/cm³
103 Lr Lawrencium 266.0 [Rn] 5f14 7s2 7p1 15.6 g/cm³
104 Rf Rutherfordium 267.0 [Rn] 5f14 6d2 7s2 23.2 g/cm³
105 Db Dubnium 268.0 [Rn] 5f14 6d3 7s2 29.3 g/cm³
106 Sg Seaborgium 269.0 [Rn] 5f14 6d4 7s2 35.0 g/cm³
107 Bh Bohrium 270.0 [Rn] 5f14 6d5 7s2 37.1 g/cm³
108 Hs Hassium 277.0 [Rn] 5f14 6d6 7s2 40.7 g/cm³
109 Mt Meitnerium 278.0 [Rn] 5f14 6d7 7s2 37.4 g/cm³
110 Ds Darmstadtium 281.0 [Rn] 5f14 6d8 7s2 34.8 g/cm³
111 Rg Roentgenium 282.0 [Rn] 5f14 6d9 7s2 28.7 g/cm³
112 Cn Copernicium 285.0 [Rn] 5f14 6d10 7s2 23.7 g/cm³
113 Nh Nihonium 286.0 [Rn] 5f14 6d10 7s2 7p1 16.0 g/cm³
114 Fl Flerovium 289.0 [Rn] 5f14 6d10 7s2 7p2 14.0 g/cm³
115 Mc Moscovium 290.0 [Rn] 5f14 6d10 7s2 7p3 13.5 g/cm³
116 Lv Livermorium 293.0 [Rn] 5f14 6d10 7s2 7p4 12.9 g/cm³
117 Ts Tennessine 294.0 [Rn] 5f14 6d10 7s2 7p5 7.2 g/cm³
118 Og Oganesson 294.0 [Rn] 5f14 6d10 7s2 7p6 5.0 g/cm³
4 ← Atomic number (protons)
Be ← Symbol
Beryllium ← Name
9.0122 ← Atomic mass (u)
*
**
* Lanthanides
** Actinides