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Radium
Radium

Rubidium
Rubidium



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Radium
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Rubidium

Radium and Rubidium Periodic Table

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Periodic Table

Symbol

Ra
Rb

Group Number

21
0 17
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Period Number

75
2 7
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Block

s block
s block

Element Family

Alkaline Earth
Alkali

CAS Number

74401447440177
7429905 54386242
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Space Group Name

Im_ 3m
Im_ 3m

Space Group Number

229.00229.00
11 276
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