Protactinium and Nihonium Periodic Table
Periodic Table
Symbol
Pa
Nh
Group Number
Not Available
13
5
Period Number
7
7
Block
f block
p block
Element Family
Actinide
Probably Post-Transition
CAS Number
7440133
99+
54084707
6
Space Group Name
I4/mmm
Not Available
Space Group Number
139.00
8
194.00
5
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