Chemistry

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Across
  1. 5. A pure substance made of a single atom
  2. 6. Equation with eqaul amount of atoms
  3. 7. Elementnts after the arrow
  4. 9. Building blocks of all substances
  5. 10. Building blocks of elements
Down
  1. 1. The fact that matter cant be destroyed nor created just transformed
  2. 2. 2 Elements physically combined
  3. 3. Equation with an unequal amount of atoms
  4. 4. Elements before arrow
  5. 8. 2 elements chemically combined