Group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
I
II
III
IV
V
VI
VII
VIII
Period
1
1
H
2
He
2
3
Li4
Be
5
B6
C7
N8
O9
F10
Ne
3
11
Na12
Mg
13
Al14
Si15
P16
S17
Cl18
Ar
4
19
K20
Ca
21
Sc22
Ti23
V24
Cr25
Mn26
Fe27
Co28
Ni29
Cu30
Zn31
Ga32
Ge33
As34
Se35
Br36
Kr
5
37
Rb38
Sr
39
Y40
Zr41
Nb42
Mo43
Tc44
Ru45
Rh46
Pd47
Ag48
Cd49
In50
Sn51
Sb52
Te53
I54
Xe
6
55
Cs56
Ba57
La58
Ce59
Pr60
Nd61
Pm62
Sm63
Eu64
Gd65
Tb66
Dy67
Ho68
Er69
Tm70
Yb71
Lu72
Hf73
Ta74
W75
Re76
Os77
Ir78
Pt79
Au80
Hg81
Tl82
Pb83
Bi84
Po85
At86
Rn
7
87
Fr88
Ra89
Ac90
Th91
Pa92
U93
Np94
Pu95
Am96
Cm97
Bk98
Cf99
Es100
Fm101
Md102
No103
Lr104
Rf105
Db106
Sg107
Bh108
Hs109
Mt110
Ds111
Uuu112
Uub113
Uut114
Uuq115
Uup116
Uuh117
Uus118
Uuo
| Alkali metals | Alkaline earths | Lanthanide | Actinides | Transition metals |
| Other metals | Metalloids | Nonmetals | Halogens | Noble gases |