Chemistry

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Across
  1. 3. easily broken cracked, or snapped
  2. 6. study of substances
  3. 7. a notation of one or two letters representing a chemical element.
  4. 8. table table of the chemical elements arranged
  5. 10. a component of an atomic nucleus with a mass defined as 1 and a charge of positive 1
Down
  1. 1. fixed distances from the nucleus of an atom where electrons may be found
  2. 2. basic building block of chemistry
  3. 4. the appearance of a mineral surface in terms of its light reflective qualities
  4. 5. material which contains movable electric charges
  5. 9. a column in the periodic table of the chemical elements