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Actinium and Protactinium Periodic Table
f
Actinium
Protactinium
Protactinium and Actinium in Periodic Table
Summary
Periodic Table
Facts
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Periodic Table
Symbol
Ac
Pa
Group Number
3
15
3
15
Period Number
7
7
Block
f block
f block
Element Family
Actinide
Actinide
CAS Number
7440348
99+
7440133
99+
Space Group Name
Fm_ 3m
I4/mmm
Space Group Number
225.00
3
139.00
11
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Compare Actinide Series
Actinium vs Nobelium
Actinium vs Protactinium
Actinium vs Berkelium
Actinide Series
Neptunium
Americium
Lawrencium
Curium
Nobelium
Protactinium
Actinide Series
Berkelium
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Mendelevium
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Compare Actinide Series
Protactinium vs Americium
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Physical
Protactinium vs Lawrencium
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Physical
Protactinium vs Curium
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» More Compare Actinide Series