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Francium and Erbium Periodic Table
f
Francium
Erbium
Erbium and Francium in Periodic Table
Summary
Periodic Table
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Periodic Table
Symbol
Fr
Er
Group Number
1
17
Not Available
Period Number
7
6
Block
s block
f block
Element Family
Alkali
Lanthanide
CAS Number
7440735
18
7440520
35
Space Group Name
Not Available
P63/mmc
Space Group Number
Not Available
194.00
5
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