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Cesium
Cesium

Osmium
Osmium



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Cesium
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Osmium

Cesium and Osmium Periodic Table

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Periodic Table

Symbol

Cs
Os

Group Number

18
0 17
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Period Number

66
2 7
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Block

s block
d block

Element Family

Alkali
Transition Metal

CAS Number

74404627440042
7429905 54386242
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Space Group Name

Im_ 3m
P63/mmc

Space Group Number

229.00194.00
11 276
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