Symbol
Pb
Atomic Number
82
Atomic Mass
207.2
Protons
82
Neutrons
125
Electrons
82
Type
Post-Transition Metal
Isotopes
Lead-204, Lead-206, Lead-207, Lead-208
Discovery Year
Unknown
Discovered By
Unknown
Group
14
Period
6
Boiling Point
1749°C
Melting Point
327.5°C
Electron Configuration
[Xe] 6s² 4f¹⁴ 5d¹⁰ 6p²
Density (g/cm³)
11.343
Crystal Structure
Face-centered cubic
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.0012%
Phase at Room Temperature
Solid