Across
- 5. outside the nucleus negatively charged
- 7. holds the protons and neutrons(the brain)
- 8. the building blocks of the universe
- 10. the type of charge that a electron has
Down
- 1. inside the nucleus positively charged
- 2. holds the electrons, outside the nucleus
- 3. a ___________ charge
- 4. the type of charge that a proton had
- 6. the size of a proton and neutron
- 9. inside the nucleus no electrical charge