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francium
francium

Iridium
Iridium



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Periodic Table van francium en Iridium

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Periodiek systeem

Symbool

Fr
Ir

Group Number

19
0 17
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periode Aantal

76
2 7
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Blok

s block
d block

element Family

Alkali
Transition Metal

CAS-nummer

74407357439885
7429905 54386242
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Space Group Name

-
Fm_ 3m

Space Group Number

225,00225,00
11 276
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