Across
- 1. can be negative or positive
- 2. a neutral subatomic particle
- 3. formed when a molecule loses or gains an electron
- 4. the type of chemical bond where electrons are shared
- 8. the substances that are present at the beginning of a chemical reaction
- 10. the subatomic particle that hangs out in orbitals
- 12. a positively charged subatomic particle
Down
- 1. the type of chemical bond where electrons are transferred
- 4. hold atoms together to make new substances
- 5. smallest basic unit of matter
- 6. in the center of the atom where protons and neutrons exist
- 7. the substances that are present at the end of a chemical reaction
- 9. a negatively charged subatomic particle
- 11. a pure substance with only one kind of atom