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Roentgenium and Samarium Periodic Table
f
Roentgenium
Samarium
Samarium and Roentgenium in Periodic Table
Summary
Periodic Table
Facts
Uses
Physical
Chemical
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Mechanical
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Periodic Table
Symbol
Rg
Sm
Group Number
11
7
3
15
Period Number
7
6
Block
d block
f block
Element Family
-
Lanthanide
CAS Number
54386242
1
7440199
99+
Space Group Name
-
R_ 3m
Space Group Number
194.00
7
166.00
9
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