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Strontium
Strontium

Protactinium
Protactinium



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Periodic Table van Strontium en Protactinium

Periodiek systeem

Symbool

Sr
Pa

Group Number

23
0 17
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periode Aantal

57
2 7
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Blok

s block
f block

element Family

aardalkali-
actinide

CAS-nummer

74402467440133
7429905 54386242
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Space Group Name

Fm_ 3m
I4 / mmm

Space Group Number

225,00139,00
11 276
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