Chemistry

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Across
  1. 2. subatomic particle with a positive electrical charge in the nucleus
  2. 7. substance that cannot be broken down or changed
  3. 8. ability to be molded or shaped without breaking
  4. 9. the smallest part of a chemical element
  5. 10. number Average atomic mass of an element
Down
  1. 1. does not conduct energy or heat well, is not hard or malleable
  2. 3. non-metal element that has some metals characteristics
  3. 4. central part of an atom made of protons and neutrons
  4. 5. substance particle with a negative electrical charge in the nucleus
  5. 6. can conduct energy and heat, and they are strong shiny