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Radium
Radium

Strontium
Strontium



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Radium
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Strontium

Radium and Strontium Periodic Table

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Periodic Table

Symbol

Ra
Sr

Group Number

22
0 17
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Period Number

75
2 7
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Block

s block
s block

Element Family

Alkaline Earth
Alkaline Earth

CAS Number

74401447440246
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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