IA VIIIA
1
H
IIA IIIA IVA VA VIAVIIA
He
2
Li
Be
B
C
N
O
F
Ne
3
Na
Mg
IIIBIVB VBVIB VII      VIII       IB IIB
Al
Si
P
S
Cl
Ar
4
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
5
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
6
Cs
Ba
*
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
7
Fr
Ra
**
Lr
Rf
Db
Sg
Bh
Hs
Mt
Uun
Uuu
Uub

* Lanthanide series
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
** Actinide series
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No