Recognised as Chemical element
Lead
- Pb
- Z = 82
- post transition
Lead (Pb) is element 82, a post transition in period 6 and group 14. Its standard atomic weight is 207.2 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolPb
Standard atomic weight207.2atomic mass units (Da)
Mass in kilograms3.4406369 × 10^-25
Categorypost transition
Group14
Period6
Blockp-block
Electrons in a neutral atom82
Neutrons in the most common isotope125≈
Quantities
Molar mass207.2 g/mol
Mass of one mole207.2 grams
Atoms in one gram2.9064386 × 10^21
Mass of one atom3.4406369 × 10^-22 g
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