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Francium
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Erbium
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Francium
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Francium and Erbium Periodic Table
Francium
Erbium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Periodic Table
Symbol
Fr
Er
Group Number
1
3
0
17
👆🏻
Period Number
7
6
2
7
👆🏻
Block
s block
f block
Element Family
Alkali
Lanthanide
CAS Number
7440735
7440520
7429905
54386242
👆🏻
Space Group Name
-
P63/mmc
Space Group Number
225.00
194.00
11
276
👆🏻
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Rubidium
Cesium
Strontium
Barium
Radium
Beryllium
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Alkali Metals
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Platinum
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Uses
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Periodic ...
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Facts
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Periodic ...
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Erbium vs Cesium
Periodic ...
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Facts
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Uses
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Physical
Erbium vs Strontium
Periodic ...
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Facts
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Uses
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Physical
Erbium vs Barium
Periodic ...
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Facts
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Uses
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Physical