Question

define molecules write two points of differences between atom and molecule​

Answer 1

molecules

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

differences between atom and molecule

According to science atom is the smallest unit of an element that can or cannot exist freely. While on the other hand, a molecule is a set of atoms that are held together with the help of a bond and is the smallest unit of a compound.

Answer 2

same as above answer it is correct answer