Across
- 2. outside the nucleus with a negative neutral
- 5. a chemical ____ occures when bonds are formed or broken
- 6. found on the outside shell
- 8. when atoms are held together with bonds they are called
- 9. the in nucleus has a positive charge
- 10. contains protons, neutrons, and electrons
Down
- 1. inside nucleus, nutral
- 3. bonds that transfer valence electrons
- 4. bonds that share valence electrons with other atoms
- 5. identify substances using a
- 7. atoms are linked through