How many of the following postulates of Dalton's atomic theory are still scientifically accepted? I. All atoms of the same element are identical. II. Compounds are combinations of different atoms. III. A chemical reaction changes the way atoms are grouped together. IV. Atoms are indestructible.

Explanation:

Postulates of Dalton's atomic theory which are scientifically accepted are:

Postulates of Dalton's atomic theory which are not accepted scientifically are:

            The theory states that the atoms of the same element are identical in every aspect but it is now scientifically proved that the same element should differ in their mass which is known as isotopes.

i think it's c. i'm not sure but i think so.