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Cesium
Cesium

Actinium
Actinium



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Cesium
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Actinium

Cesium and Actinium Periodic Table

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Periodic Table

Symbol

Cs
Ac

Group Number

13
0 17
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Period Number

67
2 7
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Block

s block
f block

Element Family

Alkali
Actinide

CAS Number

74404627440348
7429905 54386242
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Space Group Name

Im_ 3m
Fm_ 3m

Space Group Number

229.00225.00
11 276
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