Across
- 3. of matter All matter is composed of tiny indivisible particles too small to see
- 4. the force that holds protons and neutrons together
- 6. a positively charged atom
- 8. the process of electrons being transferred
- 11. the center core of the atom
- 13. of matter the model that never ends
- 14. a particle with a positive charge
- 15. an atom with an electric charge
Down
- 1. evidence that is not completely true
- 2. a particle that is smaller than an atom
- 5. something with no charge
- 7. subatomic particles found inside the nucleus of every atom.
- 9. an atom with the same number of protons and electrons
- 10. a particle with an negative charge
- 12. a negatively charged atom