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Polonium
Polonium

francium
francium



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Periodic Table van Polonium en francium

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Periodiek systeem

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Po
Fr

Group Number

161
0 17
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periode Aantal

67
2 7
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Blok

p block
s block

element Family

post- Transition
Alkali

CAS-nummer

74400867440735
7429905 54386242
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Space Group Name

Pm-3m
-

Space Group Number

221,00225,00
11 276
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