82
Pb
207.2
Lead (Pb)
Element 82 · Period 6 · Group 14
post-transition
solid at room temp
p-block
About Lead
Dense, soft toxic metal. Used in batteries, radiation shielding, and historically in paint and pipes.
Physical Properties
Atomic Mass
207.2 u
State at 25°C
Solid
Melting Point
327.46 °C
Boiling Point
1749 °C
Density
11.34 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Electron Shells
2, 8, 18, 32, 18, 4
Electronegativity
2.33
Atomic Radius
154 pm
Ionization Energy
716 kJ/mol
Oxidation States
+2, +4
Discovery & History
Discovered By
Ancient
Discovery Year
Ancient
Named By
Ancient
Name origin: Anglo-Saxon; Symbol from Latin: plumbum
Frequently Asked Questions
- Is Lead a metal, nonmetal, or metalloid?
- Lead is classified as a post-transition.
- What state is Lead in at room temperature?
- Lead is a solid at standard room temperature (25°C).
- What is the atomic mass of Lead?
- Lead has an atomic mass of 207.2 atomic mass units (u).
- Who discovered Lead?
- Lead was discovered by Ancient.
- Where is Lead on the periodic table?
- Lead is element number 82, located in period 6 and group 14.