Across
- 4. a solid that forms between two liquids
- 5. flammable may ignite if exposed
- 7. the amount of space an object takes up
- 8. the guy who organized the periodic table
- 9. two or more substances are visible
- 11. the most reactive metal group
- 15. a subatomic particle that is negative
- 16. feeling, seeing, smelling
- 18. a subatomic particle that is neutral
- 19. non metals that do not react
- 20. ability to stay unchanged
- 21. how easy it is to bend
- 22. the rings that surround the nucleus
- 25. a subatomic particle that is positive
- 27. how able it is to hammer it into a sheet
- 28. particles are very close together
- 29. state of matter with least attraction
Down
- 1. the last energy level in an atom
- 2. numbers, measuring, fixed value
- 3. reacts with oxygen
- 6. means unstable
- 10. there on the periodic table
- 12. mass/volume =
- 13. negative ion
- 14. from gas to solid state
- 17. from solid to liquid
- 23. solid, shiny, good conductor
- 24. from liquid to solid
- 26. positive ion
- 30. smallest particle of an element