Periodic Table of Elements This table shows all currently known elements with their atomic number (= number of protons) and with their chemical symbol. (Elements 112 and up have not been named yet.)
Group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
1
H
2
He2
3
Li4
Be
5
B6
C7
N8
O9
F10
Ne3
11
Na12
Mg
13
Al14
Si15
P16
S17
Cl18
Ar4
19
K20
Ca21
Sc
22
Ti23
V24
Cr25
Mn26
Fe27
Co28
Ni29
Cu30
Zn31
Ga32
Ge33
As34
Se35
Br36
Kr5
37
Rb38
Sr39
Y
40
Zr41
Nb42
Mo43
Tc44
Ru45
Rh46
Pd47
Ag48
Cd49
In50
Sn51
Sb52
Te53
I54
Xe6
55
Cs56
Ba57
La58-71
72
Hf73
Ta74
W75
Re76
Os77
Ir78
Pt79
Au80
Hg81
Tl82
Pb83
Bi84
Po85
At86
Rn7
87
Fr88
Ra89
Ac90-103
104
Rf105
Db106
Sg107
Bh108
Hs109
Mt110
Ds111
Rg112
Cn113
114
115
116
118
Lanthanides:
58
Ce59
Pr60
Nd61
Pm62
Sm63
Eu64
Gd65
Tb66
Dy67
Ho68
Er69
Tm70
Yb71
Lu
Actinides:
90
Th91
Pa92
U93
Np94
Pu95
Am96
Cm97
Bk98
Cf99
Es100
Fm101
Md102
No103
Lr
Color coding of this table:
Gas at normal temperature and pressure
Liquid
Solid
Artificially generated (no stable isotope)
IUPAC, European und American group numbering schemes Group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Europe
IA
IIA
IIIA
IVA
VA
VIA
VIIA
VIIIA
VIIIA
VIIIA
IB
IIB
IIIB
IVB
VB
VIB
VIIB
VIIIB
USA
IA
IIA
IIIB
IVAB
VB
VIB
VIIB
VIIIB
VIIIB
VIIIB
IB
IIB
IIIA
IVA
VA
VIA
VIIA
VIIIA
© W. Bauer, 2011