| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H 1 1.008 | He 2 4.003 | ||||||||||||||||
| Li 3 6.941 | Be 4 9.012 | B 5 10.81 | C 6 12.01 | N 7 14.01 | O 8 16.00 | F 9 19.00 | Ne 10 20.18 | ||||||||||
| Na 11 22.99 | Mg 12 24.30 | Al 13 26.98 | Si 14 28.09 | P 15 30.97 | S 16 32.07 | Cl 17 35.45 | Ar 18 39.95 | ||||||||||
| K 19 39.10 | Ca 20 40.08 | Sc 21 44.96 | Ti 22 47.88 | V 23 50.94 | Cr 24 52.00 | Mn 25 54.94 | Fe 26 55.85 | Co 27 58.93 | Ni 28 58.69 | Cu 29 63.55 | Zn 30 65.39 | Ga 31 69.72 | Ge 32 72.61 | As 33 74.92 | Se 34 78.96 | Br 35 79.90 | Kr 36 83.80 |
| Rb 37 85.47 | Sr 38 87.62 | Y 39 88.91 | Zr 40 91.22 | Nb 41 92.91 | Mo 42 95.94 | Tc 43 98.91 | Ru 44 101.1 | Rh 45 102.9 | Pd 46 106.4 | Ag 47 107.9 | Cd 48 112.4 | In 49 114.8 | Sn 50 118.7 | Sb 51 121.8 | Te 52 127.6 | I 53 126.9 | Xe 54 131.3 |
| Cs 55 132.9 | Ba 56 137.3 | La 57 138.9 | Hf 72 178.5 | Ta 73 180.9 | W 74 183.8 | Re 75 186.2 | Os 76 190.2 | Ir 77 192.2 | Pt 78 195.1 | Au 79 197.0 | Hg 80 200.6 | Tl 81 204.4 | Pb 82 207.2 | Bi 83 209.0 | Po 84 210.0 | At 85 210.0 | Rn 86 222.0 |
| Fr 87 223.0 | Ra 88 226.0 | Ac 89 227.0 | |||||||||||||||
| Ce 58 140.1 | Pr 59 140.9 | Nd 60 144.2 | Pm 61 144.9 | Sm 62 150.4 | Eu 63 152.0 | Gd 64 157.2 | Tb 65 158.9 | Dy 66 162.5 | Ho 67 164.9 | Er 68 167.3 | Tm 69 168.9 | Yb 70 173.0 | Lu 71 175.0 | ||||
| Th 90 232.0 | Pa 91 231.0 | U 92 238.0 | Np 93 237.0 | Pu 94 239.1 | Am 95 243.1 | Cm 96 247.1 | Bk 97 247.1 | Cf 98 252.1 | Es 99 252.1 | Fm 100 257.1 | Md 101 256.1 | No 102 259.1 | Lr 103 260.1 | ||||