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Erbium and Potassium Periodic Table
f
Erbium
Potassium
Potassium and Erbium in Periodic Table
Summary
Periodic Table
Facts
Uses
Physical
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Periodic Table
Symbol
Er
K
Group Number
3
15
1
17
Period Number
6
4
Block
f block
s block
Element Family
Lanthanide
Alkali
CAS Number
7440520
35
7440097
99+
Space Group Name
P63/mmc
Im_ 3m
Space Group Number
194.00
7
229.00
2
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Lanthanide Series
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