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Actinium
Actinium
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Protactinium
Protactinium
☒



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Actinium
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Protactinium

Actinium and Protactinium Periodic Table
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Periodic Table

Symbol

Ac
Pa

Group Number

33
0 17
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Period Number

77
2 7
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Block

f block
f block

Element Family

Actinide
Actinide

CAS Number

74403487440133
7429905 54386242
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Space Group Name

Fm_ 3m
I4/mmm

Space Group Number

225.00139.00
11 276
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Compare Actinide Series » More

Actinide Series » More

Actinide Series » More

Berkelium Electron Configuration
Berkelium
Mendelevium Electron Configuration
Mendelevium
Fermium Electron Configuration
Fermium

Compare Actinide Series » More

Protactinium Electron Configuration
Americium Metal
Protactinium vs Americium
Protactinium Electron Configuration
Lawrencium Electron Configuration
Protactinium vs Lawrencium
Protactinium Electron Configuration
Curium Electron Configuration
Protactinium vs Curium

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