Holmium and Thorium Periodic Table
Periodic Table
Symbol
Ho
Th
Group Number
Not Available
0
18
Period Number
6
7
Block
f block
f block
Element Family
Lanthanide
Actinide
CAS Number
7440600
29
7440326
99+
Space Group Name
P63/mmc
P63/mmc
Space Group Number
194.00
5
194.00
5
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