Question

Who give first atomic theory?​

Answer 1

John Dalton gives the first atomic theory .

Some of its postulate are:-

1) Atom is neither created nor destroyed.

2)The atoms of same elements are identical.

Answer 2

John Dalton gave first atomic theory.

he states that atom is indivisible it is valid for more time but after it was discarded because of the discovery of electrons,protons and neutrons.

hope this helps u.