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Francium and Iridium Periodic Table
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Francium
Iridium
Iridium and Francium in Periodic Table
Summary
Periodic Table
Facts
Uses
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Periodic Table
Symbol
Fr
Ir
Group Number
1
17
9
9
Period Number
7
6
Block
s block
d block
Element Family
Alkali
Transition Metal
CAS Number
7440735
18
7439885
99+
Space Group Name
-
Fm_ 3m
Space Group Number
225.00
3
225.00
3
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