Fermium and Erbium Periodic Table
Periodic Table
Symbol
Fm
Er
Group Number
Not Available
Not Available
Period Number
7
6
Block
f block
f block
Element Family
Actinide
Lanthanide
CAS Number
7440724
19
7440520
35
Space Group Name
Not Available
P63/mmc
Space Group Number
Not Available
194.00
5
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