Properties of Matter

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Across
  1. 2. the ability of a substance to slowly react with oxygen
  2. 7. describes a substances' attraction to a magnet
  3. 9. a large number in front of a chemical formula to indicate the number of molecules
  4. 12. ________________ properties can only be observed when a substance reacts or doesn't react with other substances
  5. 13. the small number to the right of a symbol
  6. 15. the _____________ point is the temperature at which a liquid becomes a gas
  7. 16. the ____________ point is the temperature at which a solid becomes a liquid
Down
  1. 1. how easily a substance can be scratched
  2. 3. have lower density, are brittle and dull
  3. 4. the ability of a substance to conduct heat and electricity
  4. 5. the ability of a substance to be pulled into wires
  5. 6. have higher density, are ductile and malleable
  6. 8. the amount of matter in a given space
  7. 10. ability to reflect light, shine
  8. 11. ______________ properties can be observed without changing the identity of the substance
  9. 14. the ability to ____________ is a substances ability to quickly react with oxygen to produce heat and light
  10. 16. the ability of a substance to be shaped or hammered