Across
- 2. When an atom _____ electrons it becomes positive
- 4. When an atom _____ electrons it becomes negative
- 7. Forces between simple covalent compounds
- 12. These atoms become negative ions
- 13. Forces between opposite ions
- 15. Charged particle
- 16. Ionic compounds cannot conduct electricity when ______
- 17. Ionic compounds have high _____ points
- 18. Bonding that occurs when electrons are transferred
Down
- 1. These atoms become positive ions
- 3. Water, carbon dioxide and methane are examples of _____ covalent compounds
- 5. A covalent bond is a ____ pair of electrons
- 6. Mixture of metals, stronger than pure metal
- 8. Ionic compounds must be _____ or aqueous to conduct electricity
- 9. Bonding between metals only
- 10. Intermolecular forces are ______
- 11. Covalent bonds are ______
- 14. Bonding that occurs when electrons are shared