Which chemical process occurs in which a substance loses electrons?

A) Entropy
B) Enthalpy
C) Oxidation
D) Reduction
E) Anabolism

Oxidation

A chemical reaction involving the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.

Substance

A form of matter that has a specific chemical composition and distinct physical properties.

Electrons

Subatomic particles with a negative charge, found orbiting the nucleus of an atom, involved in chemical bonds and electrical conductivity.