Question

Which of these discoveries contradict components of Dalton’s atomic theory? Check all of the boxes that apply.A. Atoms contain smaller particles: protons, neutrons, and electrons.B. Atoms of a given element can bond to other atoms only in specific ways.C. Atoms of a given element can have different numbers of neutrons.D. Nuclear reactions can change an atom of one element into an atom of another element.E. All atoms of a given element have the same number of protons.

Answer 1

Answer:

C) Atoms of a given element can have different numbers of neutrons.