Examlex
The molecule FeO₂ makes:
Molecule
The smallest unit of a chemical substance that retains its chemical properties, consisting of two or more atoms bonded together.
Compound
A substance made up of two or more elements chemically combined in fixed proportions.
Sodium Chloride
A chemical compound known as table salt, composed of sodium and chlorine atoms, essential for human health but required in moderation.
Molecule
The smallest unit of a chemical compound that can exist, consisting of two or more atoms bonded together.
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