| Period | Group | |||||||||||||||||
| IA | IIA | IIIA | IVA | VA | VIA | VIIA | VIIIA | |||||||||||
| 1 | 1
H 1.008 |
2
He 4.003 |
||||||||||||||||
| 2 | 3
Li 6.941 |
4
Be 9.012 |
5
B 10.81 |
6
C 12.01 |
7
N 14.01 |
8
O 16.00 |
9
F 19.00 |
10
Ne 20.18 |
||||||||||
| 3 | 11
Na 22.99 |
12
Mg 24.31 |
IIIB | IVB | VB | VIB | VIIB | VIIIB | IB | IIB | 13
Al 26.98 |
14
Si 28.09 |
15
P 30.97 |
16
S 32.07 |
17
Cl 35.45 |
18
Ar 39.95 |
||
| 4 | 19
K 39.10 |
20
Ca 40.08 |
21
Sc 44.96 |
22
Ti 47.88 |
23
V 50.94 |
24
Cr 52.00 |
25
Mn 54.94 |
26
Fe 55.85 |
27
Co 58.4 |
28
Ni 58.69 |
29
Cu 63.55 |
30
Zn 65.39 |
31
Ga 69.72 |
32
Ge 72.59 |
33
As 74.92 |
34
Se 78.96 |
35
Br 79.90 |
36
Kr 83.80 |
| 5 | 37
Rb 85.47 |
38
Sr 87.62 |
39
Y 88.91 |
40
Zr 91.22 |
41
Nb 92.91 |
42
Mo 95.94 |
43
Tc (98) |
44
Ru 101.1 |
45
Rh 102.9 |
46
Pd 106.4 |
47
Ag 107.9 |
48
Cd 112.4 |
49
In 114.8 |
50
Sn 118.7 |
51
Sb 121.8 |
52
Te 127.6 |
53
I 126.9 |
54
Xe 131.3 |
| 6 | 55
Cs 132.9 |
56
Ba 137.3 |
57
La* 138.9 |
72
Hf 178.5 |
73
Ta 180.9 |
74
W 183.9 |
75
Re 186.2 |
76
Os 190.2 |
77
Ir 190.2 |
78
Pt 195.1 |
79
Au 197.0 |
80
Hg 200.5 |
81
Tl 204.4 |
82
Pb 207.2 |
83
Bi 209.0 |
84
Po (210) |
85
At (210) |
86
Rn (222) |
| 7 | 87
Fr (223) |
88
Ra 226) |
89
Ac+ (227) |
104
Rf (257) |
105
Db (260) |
106
Sg (263) |
107
Bh (262) |
108
Hs (265) |
109
Mt (266) |
110
-- |
111
-- |
112
-- |
113
-- |
114
-- |
115
-- |
116
-- |
117
-- |
118
-- |
| Lanthanide Series* |
58
Ce 140.1 |
59
Pr 140.9 |
60
Nd 144.2 |
61
Pm (147) |
62
Sm 150.4 |
63
Eu 152.0 |
64
Gd 157.3 |
65
Tb 158.9 |
66
Dy 162.5 |
67
Ho 164.9 |
68
Er 167.3 |
69
Tm 168.9 |
70
Yb 173.0 |
71
Lu 175.0 |
| Actinide Series+ |
90
Th 232.0 |
91
Pa (231) |
92
U (238) |
93
Np (237) |
94
Pu (242) |
95
Am (243) |
96
Cm (247) |
97
Bk (247) |
98
Cf (249) |
99
Es (254) |
100
Fm (253) |
101
Md (256) |
102
No (254) |
103
Lr (257) |
| Key | ||
| Alkali Metal | Alkaline Metal | Basic Metal |
| Halogen | Noble Gas | Non-Metal |
| Rare Earth | Semi-Metal | Transition Metal |
| Un-named Elements | ||
