Answer:
the study that deals with the structure of matter and how fundemantal constituets of the universe interact
Answer:
1 dihydrogen reacts with 1 chlorine to form two hydrogen chloride (edit: hydrogen chloride is also referred to as hydrochloric acid)
CO2 is Carbon Dioxide and PU is Plutonium
Its b because it explains it better than a waterfall does
They would be neutral if their electonegativity difference was 0
