Strontium and Polonium Periodic Table
Periodic Table
Symbol
Sr
Po
Group Number
2
16
16
2
Period Number
5
6
Block
s block
p block
Element Family
Alkaline Earth
Post-Transition
CAS Number
7440246
99+
7440086
99+
Space Group Name
Fm_ 3m
Pm-3m
Space Group Number
225.00
2
221.00
3
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