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Lead
Lead

Francium
Francium



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Francium

Lead and Francium Periodic Table

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1 Periodic Table
1.1 Symbol
Pb
Fr
1.2 Group Number
141
Gadolinium In Periodic Table
0 17
1.3 Period Number
67
Lithium In Periodic Table
2 7
1.4 Block
p block
s block
1.5 Element Family
Post-​Transition
Alkali
1.6 CAS Number
74399217440735
Aluminium In Periodic Table
7429905 54386242
1.7 Space Group Name
Fm_ 3m
Not Available
1.8 Space Group Number
225.00NA
Plutonium In Periodic Table
11 229