Question

State the postulates of Dalton’s atomic theory

Answer 1

1-Every matter is made up of very small particle called ATOM
2-Atoms can neither be created nor be destroyed in a chemical reaction
3-These are indivisible
4-They have constant mass,size and weight :) 

Answer 2

Atom can neither be created nor it is destroyed.

Matter is composed of very tiny or microscopic particles called "Atom".

Atom is an indivisible particle.

Atoms of an element are identical in size, shape, mass and in other properties.