Match the following vocabulary words. 1.
Atomic particle with a positive charge
proton
2. Atomic particle with a neutral charge
atom
3. Having neither a positive nor a negative electrical charge
neutron
4. Atomic particle with a negative charge
electron
5. The smallest part of any object
neutral
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what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.