Match the scientist to his contribution to the atomic theory.

Match Term Definition
J.J. Thomson A) Atoms indivisible
John Dalton B) Positively charged nucleus
Ernest Rutherford C) Discovery of neutrons
James Chadwick D) Plum pudding model

J.J. Thomson: D) Plum pudding model

John Dalton: A) Atoms indivisible
Ernest Rutherford: B) Positively charged nucleus
James Chadwick: C) Discovery of neutrons