B
H
Cl
N
C
O
F
Ne
P
As
Sb
Si
Sn
Pb
Br
I
S
Se
Te
He
Li
Na
K
Rb
Cs
Fr
Be
Mg
Ca
Sr
Ba
Ra
Zn
Cd
Cu
Ag
Au
Hg
Pt
Pd
Fe
Co
Ni
Al
Ar