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Erbium
Erbium

Francium
Francium



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Erbium
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Francium

Erbium and Francium Periodic Table

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1 Periodic Table
1.1 Symbol
Er
Fr
1.2 Group Number
Tennessine In P..
Not Available
Rank: N/A (Overall)
1
Rank: 17 (Overall)
Gadolinium In Periodic Table
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1.4 Period Number
Uranium In Peri..
6
Rank: 2 (Overall)
7
Rank: 1 (Overall)
Lithium In Periodic Table
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1.6 Block
f block
s block
1.7 Element Family
Lanthanide
Alkali
1.8 CAS Number
Roentgenium In ..
7440520
Rank: 35 (Overall)
7440735
Rank: 18 (Overall)
Aluminium In Periodic Table
1.9 Space Group Name
P63/mmc
Not Available
1.10 Space Group Number
Sodium In Perio..
194.00
Rank: 5 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium In Periodic Table
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