Sodium chloride is a compound.
What is a compound?
A chemical compound exists as a chemical substance comprised of many identical molecules composed of atoms from more than one component held together by chemical bonds. Compounds exist as chemical substances made up of two or more elements that exist chemically bound together in a fixed ratio. All the subject in the universe is composed of atoms of more than 100 various chemical elements, which exist found both in pure form and incorporated into chemical compounds. Chemical compounds exist formed by elements that bond together. These bonds stand generally covalent, ionic, or metallic bonds.
The correct solution is option C.
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