Across
- 3. dense core made of protons and neutrons in the center of an atom
- 5. indivisible units of matter
- 7. electron locations cannot be ___
- 11. negatively charged particles
- 14. mathematical way to express the charge of electron
- 15. particles with no charge
- 16. energy levels are ___
Down
- 1. positively charged particle
- 2. science is a ___
- 4. electrons live in __ not distinct orbits
- 6. likelihood of finding an electron in a location
- 8. discovered electrons
- 9. discovered protons
- 10. father of the atomic theory
- 12. discovered neutrons
- 13. created a quantum mechanical model
