Roentgenium and Mercury Periodic Table
Periodic Table
Symbol
Rg
Hg
Group Number
11
7
12
6
Period Number
7
6
Block
d block
d block
Element Family
Unknown
Transition Metal
CAS Number
54386242
1
7439976
99+
Space Group Name
Not Available
R_ 3m
Space Group Number
194.00
5
166.00
6
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