Across
- 4. a strong chemical bond formed when atoms share pairs of electrons
- 6. chemical reaction which links atoms/molecules together to form bigger ones
- 8. chemical reaction which breaks atoms/molecules apart to form smaller ones
- 9. a neutral molecule that is slightly positive on one end and slightly negative on the other end
- 11. a weak chemical bond formed by the attraction of polar molecules
Down
- 1. these hold atoms together to form molecules.
- 2. atoms combine with other atoms or atoms dissociate from other atoms
- 3. a strong chemical bond formed by the attraction of oppositely charged ions.
- 5. a molecule composed of two or more different elements
- 7. number of kinds of chemical bonds
- 10. both a synthesis and decomposition reaction
