Both molecules and compounds are made up of atoms. Two or more atoms joined together by shared electrons form molecules. Substances made from two or more different elements are compound.
An atom is basically a matter particle that characterizes a chemical element completely peculiar.
An atom is made up of a central nucleus and one or even more negatively charged electrons.
The nucleus is positively charged as well as contains one or more protons and neutrons, which are fairly heavy particles.
Atoms are the foundational blocks of both molecules and compounds. Molecules are made up of two or more atoms linked together by shared electrons. Compounds are substances made up of two or more different elements.
Thus, the answers are atoms, molecules and compounds respectively.
For more details regarding atoms, visit:
https://brainly.com/question/1566330
#SPJ1
