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Protactinium
Protactinium
☒

Tantalum
Tantalum
☒



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Protactinium
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Protactinium and Tantalum Periodic Table
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Periodic Table

Symbol

Pa
Ta

Group Number

35
0 17
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Period Number

76
2 7
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Block

f block
d block

Element Family

Actinide
Transition Metal

CAS Number

74401337440257
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

Tantalum Metal
Mendelevium Electron Configuration
Tantalum vs Mendelevium
Tantalum Metal
Fermium Electron Configuration
Tantalum vs Fermium
Tantalum Metal
Nobelium Metal
Tantalum vs Nobelium

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