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Protactinium
Protactinium
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Radium
Radium
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Protactinium
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Protactinium and Radium Periodic Table
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Periodic Table

Symbol

Pa
Ra

Group Number

32
0 17
👆🏻

Period Number

77
2 7
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Block

f block
s block

Element Family

Actinide
Alkaline Earth

CAS Number

74401337440144
7429905 54386242
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Space Group Name

I4/mmm
Im_ 3m

Space Group Number

139.00229.00
11 276
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Compare Actinide Series » More

Actinide Series » More

Actinide Series » More

Americium Metal
Americium
Neptunium Electron Configuration
Neptunium
Actinium Metal
Actinium

Compare Actinide Series » More

Radium Metal
Mendelevium Electron Configuration
Radium vs Mendelevium
Radium Metal
Fermium Electron Configuration
Radium vs Fermium
Radium Metal
Nobelium Metal
Radium vs Nobelium

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