Question

Which postulate of Dalton’s Atomic Theory, does not hold good in modern times and why?

Answer 1

$\blue\mathsf{ANSWER}$

Drawbacks of Dalton's Atomic Theory 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.