Across
- 5. Who created the model
- 7. Are on the right side of the table
- 9. Any of the possible energies an electron may have in an atom
- 10. an electron in the outermost energy level of an atom
Down
- 1. The type of particle with no electrical charge
- 2. when the number of neutrons change but the protons stay the say it is a ______.
- 3. An atom that carries an electrical charge
- 4. The type of particle with a positive charge
- 6. The type of particle that moves around the outside
- 8. Are on the left side of the table
