Across
- 2. the number of protons in an atom
- 7. horizontal rows on the periodic table
- 9. substance that gives off H+ ions in water
- 13. A change that forms a new substance
- 14. a charged atom from gaining or losing electrons
- 15. substance that makes OH- ions in water
- 16. total number of protons and neutrons in an atom
- 17. the smallest unit of an element that still keeps its properties
- 18. state of matter with a set volume but no set shape
- 20. vertical collums on the periodic table
Down
- 1. the thing that gets disolved in a solution
- 3. subatomic particle with a negitive charge
- 4. the mass of one mole of a substance
- 5. amount of substance used in chemisty
- 6. substance made of 2 or more elements chemicly combined
- 8. when a solid turns straight into a gas
- 10. measure of how acidic or basic something is
- 11. state of matter with no set shape or volume
- 12. the thing that does the disolving
- 19. when a gas turns straight into a solid