Atomic Number
82
Element 82
Lead (Pb)
Lead is a chemical element with symbol Pb and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and has a relatively low melting point.
Atomic Mass
207.2 u
Category
Post-Transition Metal
Period
6
Group
Group 14: carbon group
Phase
solid
Density
11.34 g/cm3
Electron Shells
2, 8, 18, 32, 18, 4
Atomic Structure
Protons: 82. Electrons: 82. Neutrons: Varies by isotope.
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p²
Why Lead Matters
Lead helps connect atomic number 82, post-transition metal behavior, period 6 trends, and electron shell structure. Its solid phase, atomic mass of 207.2 u, and electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p² make it useful for comparing bonding patterns across the periodic table.
Discovery and Occurrence
Lead was discovered Unknown. Lead is a chemical element with symbol Pb and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and has a relatively low melting point.
Safety and Handling Context
Lead is presented here for learning and comparison. Pure elements and laboratory compounds can have hazards that depend on dose, form, and setting.
Related Elements
Frequently Asked Questions
- What is the atomic number of Lead?
- Lead has atomic number 82, which means a neutral atom has 82 protons and 82 electrons.
- What is the chemical symbol for Lead?
- The chemical symbol for Lead is Pb.
- What category is Lead in?
- Lead is classified as a post-transition metal and sits in period 6 of the periodic table.
Explore Lead in 3D
Use the interactive table above to rotate atomic models, compare periodic trends, and move from Lead to neighboring elements without losing your place.