Chemistry

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Across
  1. 2. the smallest unit of matter
  2. 5. Ability to be hammered into thin sheets
  3. 7. how acidic or alkaline (basic) a substance is compared to neutral
  4. 8. Contains two or more substances that are not chemically combined
  5. 11. Temperature at which a substance changes from a solid to a liquid
  6. 12. Amount of matter in a certain space
  7. 13. Ability to burn or ignite
Down
  1. 1. Causes damage via contact
  2. 3. A substance composed of two or more elements
  3. 4. Temperature at which a substance changes from liquid to a gas
  4. 6. A substance that consists of atoms that all have the same number of protons
  5. 8. Anything that has mass and takes up space (has volume)
  6. 9. Solid, Liquid, or gas
  7. 10. How dangerous a substance is to your health
  8. 14. Ability to reflect light