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Thorium
Thorium

Lead
Lead



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Thorium and Lead Periodic Table

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Periodic Table

Symbol

Th
Pb

Group Number

014
0 17
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Period Number

76
2 7
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Block

f block
p block

Element Family

Actinide
Post-​Transition

CAS Number

74403267439921
7429905 54386242
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Space Group Name

P63/mmc
Fm_ 3m

Space Group Number

194.00225.00
11 229
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