Physical & Chemical Properties

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Across
  1. 4. how easily a substance dissolves in a liquid (like salt in water)
  2. 5. element C
  3. 6. of Matter the physical form a substance takes—solid, liquid, or gas
  4. 8. element O
  5. 11. how easily a substance catches fire and burns
  6. 12. element H
  7. 13. how well a material allows heat or electricity to flow through it
  8. 16. how easily a solid can be hammered or rolled into thin sheets without breaking
  9. 17. how tightly packed the matter in a substance is (Density = Mass / Volume)
  10. 18. how readily a substance combines or reacts with other chemicals
Down
  1. 1. _______ Change; a change in shape, size, or state that does not alter the substance's identity (e.g., melting ice)
  2. 2. a chemical reaction with oxygen that leads to rust or corrosion
  3. 3. the amount of space an object occupies (measured in mL or cm³)
  4. 5. _______ Change a process where one or more substances transform into new substances with different properties (e.g., rusting iron)
  5. 7. how easily a material can be stretched or pulled into thin wires without snapping (e.g., copper wire)
  6. 9. element Xe
  7. 10. _______ Property; a characteristic you can observe or measure without changing what the substance is made of (e.g., color, density)
  8. 14. element N
  9. 15. _______ Property; a characteristic that describes how a substance can react and change into an entirely new substance (e.g., flammability, reactivity)
  10. 16. the amount of matter inside an object (measured in grams)