same | David Sieg

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Across
  1. 4. basic building blocks of all things
  2. 5. electron that is located on the outer electron ring of an atom
  3. 6. any characteristics of a given thing
  4. 9. something made as the result of a chemical, natural, or manufacturing process
  5. 10. elements of the periodic table that are grouped by their horizontal position on the table
Down
  1. 1. substance made out of a single element
  2. 2. you end up with the same amount that you started with
  3. 3. a thing or trend that indicates a change has occurred in a certain substance
  4. 7. Subatomic particle that determines the reactivity of an element
  5. 8. elements of the periodic table grouped by their vertical position on the table