Definition:Copper

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Chemical Element

Copper is the chemical element that has $29$ protons in the nuclei of its atoms.

Its chemical symbol is $\text {Cu}$.

Isotopes

Cu-$63$

Copper-$63$ is the isotope of Copper which has $34$ neutrons in addition to its $29$ protons.

Cu-$63$ is one of the two stable isotopes of Copper, forming $69.17$ of the naturally occurring Copper.

Cu-$65$

Copper-$65$ is the isotope of Copper which has $36$ neutrons in addition to its $29$ protons.

Cu-$65$ is one of the two stable isotopes of Copper, forming $30.83$ of the naturally occurring Copper.

Linguistic Note

The symbol Cu used for copper derives from the Latin cuprum.