Ez the answer to your question would be
(-4) cecause I am super smart ? 931
Go to slader.com and type in the full name of the text book and page number. It should have the andwers
Dalton thought that atoms were indivisible particles, and Thomson's discovery of the electron proved the existence of subatomic particles. ... The positive and negative charges cancel producing a neutral atom. images.tutorvista.com. Later discoveries by Rutherford and others lead to additional revisions to atomic theory.
the answer is c and if I help you thank me