Protons and neutrons i think , sorry if i’m wrong.
Answer: The study of elements and their compounds and reactions with one another.
Explanation: ACTUAL DEFINITION (Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.)
Hay tres fases principales: sólida, líquida y gaseosa.
Answer= C) CN contains a covalent bond.
Answer:
sorry I don't know plss mark me brainliest
