Across
- 3. mixture
- 4. mix, 2+ sub uniformly spread out
- 6. neutral charge subatomic particle in nucleus
- 8. positive charge subatomic particle in nucleus
- 11. smallest unit of chem compound,retain properties
- 12. NaCl
- 13. CH4
- 14. negative charge subatomic particle in cloud
- 17. uncuttable
- 19. elementary particle, makes up protons & neutrons
- 20. core of atom, made up of protons & neutrons
- 22. element found in all living things
Down
- 1. 2+ substances, can be separated by phys means
- 2. two or more elements chemically combined
- 5. mix, diff material can be distinguished
- 7. matter composed of only one type of atom
- 9. gas, Makes up 78% of the atmosphere
- 10. anything that has mass and takes u space
- 15. not matter
- 16. H20
- 18. matter, cannot be separated by phys means
- 21. Calcium