13. What is the basic difference between atom and molecules?
A. Atom is made up of protons and neutrons while molecule is made up of electrons.
B. Atom is bounded by covalent, ionic and metallic bond while molecule is the smallest
unit o
matter
C, Atom refers to the group of molecule while molecule is made up of protons, neutrons and
electrons.
D. Atom is made up of protons, neutrons and electrons while molecule refers to the group of
atoms that re bonded together,
among the ancient Greeks?
emocritus​