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Promethium
Promethium

Nihonium
Nihonium



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Promethium
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Nihonium

Promethium and Nihonium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Pm
3
6
f block
Lanthanide
7440122
-
194.00
 
Nh
13
7
p block
Probably Post-​Transition
54084707
-
194.00