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Polonium
Polonium

Francium
Francium



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Polonium
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Francium

Polonium and Francium Periodic Table

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1 Periodic Table
1.1 Symbol
Po
Fr
1.2 Group Number
161
Gadolinium In Periodic Table
0 17
1.12 Period Number
67
Lithium In Periodic Table
2 7
2.3 Block
p block
s block
2.4 Element Family
Post-​Transition
Alkali
2.5 CAS Number
74400867440735
Aluminium In Periodic Table
7429905 54386242
2.8 Space Group Name
Pm-3m
Not Available
2.9 Space Group Number
221.00NA
Plutonium In Periodic Table
11 229