Answer: The correct statement is molecules consist of two or more atoms.
Step-by-step explanation:
Molecules is formed by the combination of two more similar or different types of atoms.
Molecules of similar type of atoms are called as molecules of elements. For Example:
etc..
Molecules of different type of atoms are called as molecules of compounds. For Example:
etc..
They can have either positive, negative or neutral charge.
Hence, the correct statement of all the given statements is molecules consist of two or more atoms.