Developing the Model of the Atom

________ suggested atoms were spheres of positive charge with tiny negative electrons stuck in them like fruit in a plum pudding- the plum pudding model.

________ said that electrons orbiting the nucleus do so at certain distances called energy levels.

________ replaced the plum pudding model with the nuclear model.

In ________, John Dalton agreed with Democritus that matter was made up of tiny spheres that couldnt be broken up, but he reckoned that each element was made up of a different type of atom.

The ________ that resulted from the alpha particle scattering experiment was a positively charged nucleus surrounded by a cloud of negative electrons.

It has an________

The nucleus contains_______

The rest of the atom is________

________move around the outside

Number of protons=_________