Information valid for Cu-64 unless otherwise noted
Copper
Basic Information
Symbol: Cu
Atomic Number: 29
Mass: 63.546
Melting Point: 1083
Boiling Point: 2567
Number of Protons/Electrons: 29
Number of Neutrons: 35
Classification: Transition Metal
Crystal Structure: Cubic
Density: 8.96
Color: red/orange
Atomic Structure
Number of Energy Levels: 4
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 18
Fourth Energy Level: 1
Isotopes
Isotope
Half Life
Cu-61
3.4 hours
Cu-62
9.7 minutes
Cu-63
Stable
Cu-64
12.7 hours
Cu-65
Stable
Cu-67
2.6 days
Facts
Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: From the Latin word cyprium, after the island of Cyprus
Uses: electrical conductor, jewelry, coins, plumbing
Obtained From: chalcopyrite, coveline, chalcosine
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