Crossword Puzzle

Chemistry Review

Across

  1. states that mass can never be created or destroyed (lawofconservationofmass)
  2. matter with a definite volume but no shape (liquid)
  3. a combination of compounds and elements that has not formed a new substance. (mixture)
  4. matter with a definite shape and volume. (solid)

Down

  1. average mass of an atom of an element. (atomicmass)
  2. number of protons in the nucleus of an atom of a given element. (atomicnumber)
  3. change in which the composition of a substance changes (chemicalchange)
  4. characteristic that cannot be observed without altering the sample (chemicalproperty)
  5. negatively charged particle in an atom. (electron)
  6. substance that cannot be broken down into simpler substances. (element)
  7. changing matter from a liquid to a solid. (freezing)
  8. matter that does not have a definite shape or volume. (gas)
  9. movement of thermal energy (heat)
  10. anything that takes up space and has mass (matter)
  11. change in which the form or appearance of matter changes, but not its composition. (physicalchange)

["melting", "neutron", "period", "physicalproperty", "proton", "substance", "temperature"]

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