1A 1 |
8A 18 |
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1 H hydrogen 1.01 |
2A 2 |
The Periodic Table of the Elements | 3A 13 |
4A 14 |
5A 15 |
6A 16 |
7A 17 |
2 He helium 4.00 |
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3 Li lithium 6.94 |
4 Be beryllium 9.01 |
5 B boron 10.81 |
6 C carbon 12.01 |
7 N nitrogen 14.01 |
8 O oxygen 16.00 |
9 F fluorine 19.00 |
10 Ne neon 20.18 |
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11 Na sodium 22.99 |
12 Mg magnesium 24.31 |
3B 3 |
4B 4 |
5B 5 |
6B 6 |
7B 7 |
8B 8 |
8B 9 |
8B 10 |
1B 11 |
2B 12 |
13 Al aluminum 26.98 |
14 Si silicon 28.09 |
15 P phosphorus 30.97 |
16 S sulfur 32.07 |
17 Cl chlorine 35.45 |
18 Ar argon 39.95 |
19 K potassium 39.10 |
20 Ca calcium 40.08 |
21 Sc scandium 44.96 |
22 Ti titanium 47.87 |
23 V vanadium 50.94 |
24 Cr chromium 52.00 |
25 Mn manganese 54.94 |
26 Fe iron 55.85 |
27 Co cobalt 58.93 |
28 Ni nickel 58.69 |
29 Cu copper 63.55 |
30 Zn zinc 65.41 |
31 Ga gallium 69.72 |
32 Ge germanium 72.64 |
33 As arsenic 74.92 |
34 Se selenium 78.96 |
35 Br bromine 79.90 |
36 Kr krypton 83.80 |
37 Rb rubidium 85.47 |
38 Sr strontium 87.62 |
39 Y yttrium 88.91 |
40 Zr zirconium 91.22 |
41 Nb niobium 92.91 |
42 Mo molybdenum 95.94 |
43 Tc technetium (98) |
44 Ru ruthenium 101.07 |
45 Rh rhodium 102.91 |
46 Pd palladium 106.42 |
47 Ag silver 107.87 |
48 Cd cadmium 112.41 |
49 In indium 114.82 |
50 Sn tin 118.71 |
51 Sb antimony 121.76 |
52 Te tellurium 127.60 |
53 I iodine 126.90 |
54 Xe xenon 131.29 |
55 Cs cesium 132.91 |
56 Ba barium 137.33 |
57 La lanthanum 138.91 |
72 Hf hafnium 178.49 |
73 Ta tantalum 180.95 |
74 W tungsten 183.84 |
75 Re rhenium 186.21 |
76 Os osmium 190.23 |
77 Ir iridium 192.22 |
78 Pt platinum 195.08 |
79 Au gold 196.97 |
80 Hg mercury 200.59 |
81 Tl thallium 204.38 |
82 Pb lead 207.20 |
83 Bi bismuth 208.98 |
84 Po polonium (209) |
85 At astatine (210) |
86 Rn radon (222) |
87 Fr francium (223) |
88 Ra radium (226) |
89 Ac actinium (227) |
104 Rf rutherfordium (261) |
105 Db dubnium (262) |
106 Sg seaborgium (266) |
107 Bh bohrium (264) |
108 Hs hassium (277) |
109 Mt meitnerium (268) |
110 Ds darmstadtium (281) |
111 Rg roentgenium (272) |
112 Cn copernicium (285) |
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58 Ce cerium 140.12 |
59 Pr praseodymium 140.91 |
60 Nd neodymium 144.24 |
61 Pm promethium (145) |
62 Sm samarium 150.36 |
63 Eu europium 151.96 |
64 Gd gadolinium 157.25 |
65 Tb terbium 158.93 |
66 Dy dysprosium 162.50 |
67 Ho holmium 164.93 |
68 Er erbium 167.26 |
69 Tm thulium 168.93 |
70 Yb ytterbium 173.04 |
71 Lu lutetium 174.97 |
90 Th thorium 232.04 |
91 Pa protactinium 231.04 |
92 U uranium 238.03 |
93 Np neptunium (237) |
94 Pu plutonium (244) |
95 Am americium (243) |
96 Cm curium (247) |
97 Bk berkelium (247) |
98 Cf californium (251) |
99 Es einsteinium (252) |
100 Fm fermium (257) |
101 Md mendelevium (258) |
102 No nobelium (259) |
103 Lr lawrencium (262) |
Data & Tables