Pb
Lead (Atomic Number 82)
Category: post-transition | Period 6, Group 14 | Block: p
Heavy, dense, soft post-transition metal shielding radiation.
Atomic & Physical Constants
- Standard Atomic Weight:
- 207.21 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 32, 18, 4
- Electronegativity (Pauling):
- 1.87
- Melting Point:
- 600.61 K
- Boiling Point:
- 2022 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Lead-acid car batteries, X-ray radiation shielding, ballast
Discovery History
Discovered by Middle East.
Study Lead with Socratic AI Tutor
Get step-by-step orbital hybridization, oxidation state derivations, and reaction practice questions.