Across
- 4. Type of bond forms between ions of opposite charges
- 7. Positive ion formed by losing electrons
- 8. Particle with no charge that lives in nucleus
- 10. Weak bond between hydrogen and other elements
- 11. Negatively charged particle; lives in orbital
Down
- 1. Strong bond that forms when electrons are shared
- 2. Two words: number of protons in an atom
- 3. Negative ion formed by gaining electrons
- 5. Variations of a element: has diff. # of neutrons
- 6. Basic unit of matter that cannot be broken down
- 9. Positively charged particle that lives in nucleus