Across
- 4. Group 4 period 7.
- 6. Mass of a substance that can dissolve in a given amount of solute.
- 7. Group 9 Period 4.
- 8. Substance made up of only one kind of matter.
- 13. Horizontal row of elements in a periodic table.
- 14. group 18 elements in the periodic table.
- 15. Vertical columns in a periodic table.
- 16. dull, brittle element that does not conduct electricity.
- 17. Chemical combination od two or more elements in a specific ratio.
- 19. neutral particle in the nucleus of an atom.
- 21. Group 15 Period 4.
- 23. Positively charged particle in the nucleus of an atom.
Down
- 1. A Pure substance made up of one atom.
- 2. positively charged center of an atom.
- 3. Change in the appearance or state of a substance.
- 5. Information sheets about specific chemicals.
- 7. A substance that help a reaction proceed faster.
- 8. group 10 period 5.
- 9. Releases heat.
- 10. Slow chemical change that occurs when oxygen reacts with metal.
- 11. Anything that can occupy space and has mass.
- 12. Group 18 period 6.
- 18. Neither an acid or a base.
- 20. Organic catalyst.
- 22. Found in group 11 period 5.
