Name: Copper
Symbol: Cu
Atomic Number: 29
Atomic Mass: 63.546 amu
Melting Point: 1083.0 °C (1356.15 K, 1981.4 °F)
Boiling Point: 2567.0 °C (2840.15 K, 4652.6 °F)
Number of Protons/Electrons: 29
Number of Neutrons: 35
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 8.96 g/cm3
Color: red/orange
Atomic Structure
View attachment 60371
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
Bentor, Yinon. Chemical Element.com - Copper. Nov. 2, 2011 <http://www.chemicalelements.com/elements/cu.html>.