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Francium
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Francium
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Francium and Curium Periodic Table
Francium
Curium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Periodic Table
Symbol
Fr
Cm
Group Number
1
3
0
17
👆🏻
Period Number
7
7
2
7
👆🏻
Block
s block
f block
Element Family
Alkali
Actinide
CAS Number
7440735
7440519
7429905
54386242
👆🏻
Space Group Name
-
-
Space Group Number
225.00
225.00
11
276
👆🏻
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