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Francium
Francium

Osmium
Osmium



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Osmium

Francium and Osmium Periodic Table

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Periodic Table

Symbol

Fr
Os

Group Number

18
0 17
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Period Number

76
2 7
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Block

s block
d block

Element Family

Alkali
Transition Metal

CAS Number

74407357440042
7429905 54386242
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Space Group Name

-
P63/mmc

Space Group Number

225.00194.00
11 276
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