Matter
Across
- 8. must have 8 electrons in the outrmot energy level
- 10. tightly packed, fixed position
- 11. outer most enegy levvel of an atom
- 14. how easily a substance combines with another chemically with another substance
- 15. tightly packed but fr apart to slide off each other
- 16. react violenty with water
- 18. metals that can be drawn out into wires malleability metals that can be hammered, rolled out, shaped without breaking
- 19. tempure at which a liquid changes to a gas
- 21. object that can resits being crushed or deformed
- 22. burns in the presence of oxygen
Down
- 1. the temperature a solid changes to a liquid
- 2. The number of protons and electrons
- 3. an object that can easily be broken or crushed
- 4. mixture that is not distributed equally
- 5. Shows all known elements
- 6. affected by magnetic fields
- 7. metals that allow an electric current to pass through them
- 9. mixture that is distributed equally
- 12. property of a substance that allows it to be dissolved
- 13. pure substances that cannot be separated by physical or chemical means
- 17. The number of protons and neutrons in the nucleus
- 20. very far part, move freely