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Basic Information

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

Number of Energy Levels: 4

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

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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