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Potassium
Potassium

Francium
Francium



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Potassium
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Francium

Potassium and Francium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
K
1
4
s block
Alkali
7440097
Im_ 3m
229.00
 
Fr
1
7
s block
Alkali
7440735
-
225.00