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Lead
Lead

Thallium
Thallium



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Lead and Thallium Periodic Table

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Periodic Table

Symbol

Pb
Tl

Group Number

1413
0 17
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Period Number

66
2 7
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Block

p block
p block

Element Family

Post-​Transition
Post-​Transition

CAS Number

74399217440280
7429905 54386242
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Space Group Name

Fm_ 3m
P63/mmc

Space Group Number

225.00194.00
11 276
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