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Lead
Lead

Technetium
Technetium



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Technetium

Lead and Technetium Periodic Table

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Periodic Table

Symbol

Pb
Tc

Group Number

147
0 17
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Period Number

65
2 7
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Block

p block
d block

Element Family

Post-​Transition
Transition Metal

CAS Number

74399217440268
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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