Thank you for the opportunity to help you with your question!
James Chadwick discovered neutron in 1932. In this way Chadwick contributed to the development of atomic theory. Once the neutron was discovered Rutherford Atomic model was modified with proton and neutrons in the nucleus.
Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 30th, 2015
Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.