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Protactinium and Erbium Periodic Table
f
Protactinium
Erbium
Erbium and Protactinium in Periodic Table
Summary
Periodic Table
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Periodic Table
Symbol
Pa
Er
Group Number
Not Available
Not Available
Period Number
7
6
Block
f block
f block
Element Family
Actinide
Lanthanide
CAS Number
7440133
99+
7440520
35
Space Group Name
I4/mmm
P63/mmc
Space Group Number
139.00
8
194.00
5
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Compare Actinide Series
Protactinium vs Californium
Protactinium vs Plutonium
Protactinium vs Thorium
Actinide Metals
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» More Compare Actinide Series