Which of the following statements is a part of John Dalton’s atomic theory?

Question

Every compound is composed of atoms of a single element.

Electrons move in specific orbits around the nucleus of an atom.

All atoms of all elements are exactly alike and have the same mass.

All elements are composed of atoms that cannot be divided.

Answer 1

The statement that is a part of John Dalton’s atomic theory is:

All elements are composed of atoms that cannot be divided.

Dalton's atomic theory posits that atoms are indivisible and that all matter is composed of these indivisible atoms. The other statements do not accurately represent his theory.