1. It is the positively charged particle of an atom.
2. He used alpha particles in his experiment with a thin sheet of
gold foil anddiscovered a positively charge nucleus at the center
of an atom.
3. Erwin Schrödinger believed that electrons act as waves; he illustrated
electronsassurrounding the nucleus.
4. It is the model created by John Dalton where he described atoms as tiny
balls.
5. It is the atomic model similar to a cookie where the electrons are
like scatteredchocolate chips.
6. He stated that electrons move around in orbit of fixed size and energy.
7. It is the negatively charged particle of an atom.
8. It is the subatomic particle that has no net charge.
It is similar to a nut and is located at the center of the atom.
10. It is a Greek word which means indivisible.


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