Across
- 4. proton donor
- 5. take place between ions and positively and negatively charge.
- 7. negative charge.
- 8. All matter is composed of________
- 9. atoms that vary in the number of neutrons.
- 10. non-polar covalent bond
- 14. chemical bond between 2 or more atoms
- 16. outermost shell in a atom
- 17. weak attaction and always involved a hydrogen atom.
Down
- 1. chemical bonds between 2 or more elements
- 2. polar covalent bond
- 3. positive charge.
- 6. universal solvent
- 8. have a polar portion and a non-polar portion
- 11. proton aceptor
- 12. All living things consist of this?
- 13. science of stucture and interaction of matter.
- 15. smallest structure of life