Question

Guys it is referred that atoms are indestructible and indivisible. But in the sun, the atoms breaks up and forms plasma. So here the atoms are broken and divided. Pls clarify

Answer 1

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects.

Answer 2

Answer:

The reaction in the sun you are reffering to is called nuclear fission.

A chemical reaction does not create or destroy matter, it simply moves electrons from one atom to another, but does not change the nucleus of the atoms.

So we can say that a nuclear reaction creates or destroys matter, if we define matter only as it's mass.

Explanation:

I hope it clears your doubt.