I

II

III

IV

V

VI

VII

VIII

P

H
I

He
0

Haupt-

gruppen-

Elemente

1

Li
I

Be
II

B
III

C
IV, II

N
III, V

O
II

F
I

Ne
0

2

Na
I

Mg
II

Al
III

Si
IV

P
III, V

S
II, IV, VI

Cl
I

Ar
0

3

K
I

Ca
II

Ga
III, I

Ge
II, IV

As
III, V

Se
II, IV, VI

Br
I

Kr
0

4

Rb
I

Sr
II

In
III, I

Sn
II, IV

Sb
III, V

Te
II, IV, VI

I
I

Xe
0

5

Cs
I

Ba
II

Tl
I, III

Pb
II, IV

Bi
III

Po*

At*

Rn*

6

III

IV

V

VI

VII

VIII

I

II

Sc
III

Ti
II, IV

V
II, III, IV

Cr
II, III, IV, VI

Mn
II, III, IV, VII

Fe
II, III

Co
II

Ni
II

Cu
I, II

Zn
II

4

Y

Zr
IV

Nb

Mo
III, VI

Tc

Ru

Rh

Pd
II

Ag
I

Cd
II

5

La

Hf

Ta

W
IV, VI

Re

Os

Ir

Pt
II

Au
III

Hg
I, II

6