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Neptunium
Neptunium

Lead
Lead



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Neptunium and Lead Periodic Table

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Periodic Table

Symbol

Np
Pb

Group Number

314
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

74399987439921
7429905 54386242
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Space Group Name

Pnma
Fm_ 3m

Space Group Number

62.00225.00
11 276
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