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Radium
Radium

Samarium
Samarium



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Radium
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Samarium

Radium and Samarium Periodic Table

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Periodic Table

Symbol

Ra
Sm

Group Number

23
0 17
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Period Number

76
2 7
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Block

s block
f block

Element Family

Alkaline Earth
Lanthanide

CAS Number

74401447440199
7429905 54386242
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Space Group Name

Im_ 3m
R_ 3m

Space Group Number

229.00166.00
11 276
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