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Nihonium
Nihonium

Francium
Francium



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Nihonium and Francium Periodic Table

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Periodic Table

Symbol

Nh
Fr

Group Number

131
0 17
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Period Number

77
2 7
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Block

p block
s block

Element Family

Probably Post-​Transition
Alkali

CAS Number

540847077440735
7429905 54386242
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Space Group Name

-
-

Space Group Number

194.00225.00
11 276
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