1. Size Molecules are generally bigger and will have multiple atoms
2. Composition Protons, Electrons, Neutrons make an atom. Many atoms make a molecule
3. Physical state Atoms are typically gaseous. Molecules can be solid, liquid, or gas.
4. BehaviorAtoms interact to form Molecules. Molecules interact to form compounds
5.Variety and Count:There are 118 recognised elements - each with a distinct atom. There are infinite number of molecule types formed by combining the 118 types of atoms.
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