Question

state and explain Avogadro's low .explan how an atom of an element is distinguished from its molecule

Answer 1

Avogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules."
and atom and molecules are the same things

Answer 2

Equal volumes of gases under same temperatire and pressure have se number of molecules . Avogadro introduced the idea of a molecule as the smallest particle of a compound. Dalton believed that the compound are formed when atom of different element combine in fixed Ratio .