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Francium
Francium

Polonium
Polonium



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Francium
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Polonium

Francium and Polonium Periodic Table

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Periodic Table

Symbol

Fr
Po

Group Number

116
0 17
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Period Number

76
2 7
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Block

s block
p block

Element Family

Alkali
Post-​Transition

CAS Number

74407357440086
7429905 54386242
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Space Group Name

-
Pm-3m

Space Group Number

225.00221.00
11 276
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