Chemistry module 3
Across
- 3. Rutherford discovered the existence of these
- 4. isotopes behave this way in chemistry
- 6. how many protons an atom contains (2 words)
- 7. Crookes discovered the existence of these
- 9. opposite charges
- 10. like charges
- 11. total number of protons and neutrons (2 words)
- 14. same number of protons but different number of neutrons
- 16. electromagnetic radiation
Down
- 1. distance between crests (or troughs) of a wave
- 2. lowest possible energy state for a given substance
- 3. measurable constant in nature that doesn’t change (2 words)
- 5. number of wave crests (or troughs) that pass a given point each second
- 8. standard unit for frequency
- 12. height of the crests or depth of the troughs
- 13. the visible light spectrum
- 15. electron moves from an orbit close to the nucleus to an orbit farther away