Across
- 2. solutions with a ph below 7 are considered
- 5. if an atom gains electrons, it will then have a blank charge
- 11. what is a mixture of water and undissolved materials
- 12. what is a pure substance consisting of all the same type of atom
- 13. what are composed of chemical compounds
- 15. this force of attraction forms
- 17. bond formation always involves the blank that surround the nucleus of each atom
- 20. sometimes electrons are blank between atoms instead of being transferred
- 21. the substance that does the dissolving
- 23. what is the basic unit of matter
- 24. what has a neutral charge
Down
- 1. if an atom loses electrons, it will then have a blank charge
- 3. hydrogen atom has a blank charge
- 4. the atoms that compose compounds are held together by what bonds?
- 6. what is the attraction between molecules of different substances
- 7. what is the chemical combination of two or more elements in definite proportions?
- 8. the shared electrons spend less time around the
- 9. what depends on chemistry
- 10. what is that part of the mixture that is evenly mixed
- 14. when electrons are gained or lost, blank are formed.
- 16. how many known elements are there
- 18. what is the attraction between molecules of the same substance
- 19. what has a positive charge
- 22. what is the substance that is dissolved