Lead

Basic Information
Name: Lead
Symbol: Pb
Atomic Number: 82
Atomic Mass: 207.2 amu
Melting Point: 327.46 °C (600.61 K, 621.43 °F)
Boiling Point: 1749.0 °C (2022.0 K, 3180.0 °F)
Number of Protons/Electrons: 82
Number of Neutrons: 125
Classification: Other Metals
Crystal Structure: Cubic face centered
Color: bluish-white

Atomic Structure

Number of Energy Levels: 6
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 18
Fourth Energy Level: 32
Fifth Energy Level: 18
Sixth Energy Level: 4

Facts
Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: From the Greek word protos (first)
Uses: solder and shielding against radiation, batteries
Obtained From: galena