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Praseodymium
Praseodymium
☒

Erbium
Erbium
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Praseodymium and Erbium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Pr
3
6
f block
Lanthanide
7440100
P63/mmc
194.00
 
Er
3
6
f block
Lanthanide
7440520
P63/mmc
194.00