Across
- 5. these provide a way to probe, or "see" matter (3 words with two hyphens)
- 6. discovered by C.T.R. Wilson (two words seperated by a hyphen)
- 7. this particle has a neutral charge and has roughly the same mass as a proton
- 8. this particle is found orbiting around the nucleus
- 9. this a an energetic particle (two words seperated by a hyphen)
Down
- 1. this person discovered neutrons
- 2. this is the basic unit of protons and neutrons (it starts with a "Q")
- 3. produce energetic beams so we can probe matter (3 words with two hyphens)
- 4. this particle is found with Neutrons within in the nucleus