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Protactinium
Protactinium
☒

Promethium
Promethium
☒



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Protactinium
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Promethium

Protactinium and Promethium Periodic Table
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Periodic Table

Symbol

Pa
Pm

Group Number

33
0 17
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Period Number

76
2 7
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Block

f block
f block

Element Family

Actinide
Lanthanide

CAS Number

74401337440122
7429905 54386242
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Space Group Name

I4/mmm
-

Space Group Number

139.00194.00
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

Promethium Electron Configuration
Mendelevium Electron Configuration
Promethium vs Mendelevium
Promethium Electron Configuration
Fermium Electron Configuration
Promethium vs Fermium
Promethium Electron Configuration
Nobelium Metal
Promethium vs Nobelium

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