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Promethium
Promethium

Radium
Radium



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Promethium
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Radium

Promethium and Radium Periodic Table

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1 Periodic Table
1.1 Symbol
Pm
Ra
1.2 Group Number
NA2
Gadolinium In Periodic Table
0 17
1.3 Period Number
67
Lithium In Periodic Table
2 7
1.4 Block
f block
s block
1.5 Element Family
Lanthanide
Alkaline Earth
1.6 CAS Number
74401227440144
Aluminium In Periodic Table
7429905 54386242
1.7 Space Group Name
Not Available
Im_ 3m
1.8 Space Group Number
NA229.00
Plutonium In Periodic Table
11 229