Lead (Pb) Properties and Facts

Element 82 - Post-Transition Metal

What are the basic properties of Lead?

Lead (symbol: Pb) is a post-transition metal with atomic number 82. Its atomic mass is 207.2 u, and it belongs to period 6 and group 14.

What is the electron configuration of Lead?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 5d¹⁰ 6s² 6p²

What are the physical properties of Lead?

Melting point: 600.61 K
Boiling point: 2022.0 K
Density: 11.34 g/cm³

What are the known isotopes of Lead?

  • Pb-204: 1.4% abundance
  • Pb-206: 24.1% abundance
  • Pb-207: 22.1% abundance
  • Pb-208: 52.4% abundance

What is the biological role and occurrence of Lead?

Biological role: Toxic with no known biological role
Natural occurrence: Found in ores such as galena

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