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.

Question

Quizplus · Accepted Answer

II and III are still accepted. I is incorrect because isotopes exist, meaning not all atoms of an element are identical. IV is incorrect because atoms can be split in nuclear reactions.

How Many of the Following Postulates of Dalton's Atomic Theory