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Meitnerium
Meitnerium

Francium
Francium



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Francium

Meitnerium and Francium Periodic Table

Periodic Table

Symbol

Mt
Fr

Group Number

91
0 17
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Period Number

77
2 7
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Block

d block
s block

Element Family

Probably Transition
Alkali

CAS Number

540380167440735
7429905 54386242
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Space Group Name

-
-

Space Group Number

166.00225.00
11 276
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