Holmium and Radium Periodic Table
Periodic Table
Symbol
Ho
Ra
Group Number
Not Available
2
16
Period Number
6
7
Block
f block
s block
Element Family
Lanthanide
Alkaline Earth
CAS Number
7440600
29
7440144
99+
Space Group Name
P63/mmc
Im_ 3m
Space Group Number
194.00
5
229.00
1
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