( Californium) Cf

( Curium ) Cm

Nhôm Al

Atimoni ( Sb )

Bh

Bi

As

bieu tuong nto Actinium ( Ac )

Ag

bieu tuong nto Ar

bieu tuong nto Astatine ( At)

Au

bieu tuong nto B

bieu tuong nto Ba

bieu tuong nto Be