Across
- 1. where atoms lose or gain electrons
- 3. has mass and takes up space
- 4. a substance that has two or more substances
- 9. a mixture of more or one substance
- 11. cooling an evaporating substance that leaves the remaining cooled down
- 13. part of a substance that has physical and chemical properties
- 14. molecules that have a tendency to stick together
- 15. magnetic pull between two opposite charged ions
- 17. negative charge
- 18. how hot or cold the environment is
- 20. positive charge
Down
- 2. tension a measurement to show how difficult it is to break the surface of a liquid
- 5. When molecules in high concentration moves to the lower area of concentration
- 6. number the number of protons
- 7. allows bonding between water molecules
- 8. substance that can't be broken down to other substances
- 10. bond sharings between atoms and electrons
- 12. mass number number of protons and neutrons
- 16. no charge
- 19. level space from the nucleus where electrons can be found in atoms
- 21. most important part