Information valid for Ce-140 unless otherwise noted

Cerium

Basic Information

Symbol: Ce
Atomic Number: 58
Mass: 140.116
Melting Point: 795.0 C
Boiling Point: 3257.0 C
Number of Protons/Electrons: 58
Number of Neutrons: 82
Classification: Rare Earth
Crystal Structure: Cubic
Density @ 293 K: 6.773 g/cm³
Color: gray

Atomic Structure

Number of Energy Levels: 6 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 20 Fifth Energy Level: 8 Sixth Energy Level: 2

Isotopes

Facts

Date of Discovery: 1803
Discoverer: W. von Hisinger
Name Origin: Ceres (asteroid)
Uses: heat-resistant alloys
Obtained From: monazite