which is the best description of a molecule?\no a molecule of an element is composed of at least two types…

which is the best description of a molecule?\no a molecule of an element is composed of at least two types of atoms.\no a molecule of a compound is composed of only one atom.\no a molecule of a compound is composed of at least two atoms.\no a molecule of an element is composed of exactly two types of atoms.
Answer
Answer:
A molecule of a compound is composed of at least two atoms.
Brief Explanations:
A molecule of an element has only one - type of atom. A compound is made of different types of atoms and a molecule of a compound must have at least two atoms.