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Samarium and Erbium Periodic Table
f
Samarium
Erbium
Erbium and Samarium in Periodic Table
Summary
Periodic Table
Facts
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Periodic Table
Symbol
Sm
Er
Group Number
Not Available
Not Available
Period Number
6
6
Block
f block
f block
Element Family
Lanthanide
Lanthanide
CAS Number
7440199
99+
7440520
35
Space Group Name
R_ 3m
P63/mmc
Space Group Number
166.00
6
194.00
5
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