Question

Define atoms and molecules with examples

Answer 1

Answer:

• An atom is the smallest constituent unit of ordinary matter that are made out of protons, neutrons and electrons.

Eg:- H, He, O, N, etc.

• A molecule is a particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds.

Eg:- O2, NO2, CO2, H2O, etc.

HOPE IT HELPS YOU.

Answer 2

Explanation:

1. What is an atom?

answer. Have you ever observed a Mason building walls, from these walls a room and then a collection of rooms to from a building? what is the building block of the huge building? what about the building block of an ant-hill ? It is a small grain of sand. similarly, the building blocks of all matter are atoms.