Who discovered that the atom had an small, dense, positively charged center?

Place the following atomic models in order, from earliest to latest:

A) Rutherford B) Thomson C) Dalton

Who named the positive center of the atom the "nucleus?"

Which scientists believed an atom was indivisible? (Choose all correct responses.)

Which scientist discovered that the atom has parts - which means it can be divided?

Which scientist first suggested that atoms could join?

Which scientist believed that elements differed from one another because their atoms had different mass?

In the atomic model nicknamed the "plum pudding" model, what do the plums represent?

Which scientist proposed a new atomic model after discovering the electron in 1897?

Who discovered that atoms are mostly empty space?

Which scientist was the first to benefit from the Lavoisier's efforts to define pure substances in the 1700's?

In the model nicknamed "the solar system model" what are the electrons like?

Who proposed that electrons move around the nucleus in circular orbits?