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Dubnium
Dubnium
☒

Francium
Francium
☒



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Dubnium
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Francium

Dubnium and Francium Periodic Table

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Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Db
5
7
d block
Transition Metal
53850354
-
166.00
 
Fr
1
7
s block
Alkali
7440735
-
225.00