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Polonium
Polonium
☒

Americium
Americium
☒



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Polonium and Americium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Po
16
6
p block
Post-​Transition
7440086
Pm-3m
221.00
 
Am
10
7
f block
Actinide
7440359
P63/mmc
194.00