2. Which statement is NOT true about molecules and compounds? *

All molecules and compounds are made of atoms.

All molecules are compounds.

Compounds are made up of the same type of atom.

Molecules are made up of two or more chemically bonded atoms.

The statement that compounds are made up of the same type of atom is NOT true about molecules and compounds. Compounds are made up of different types of atoms bonded together, while molecules can be made up of the same type of atom (elemental molecules) or different types of atoms (compounds).