science

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Across
  1. 3. substance that cannot be broken down or changed
  2. 4. can conduct electricity and heat
  3. 5. whether or not a substance will undergo a chemical change
  4. 9. shows how many atoms of an elements are present in a molecule
  5. 10. substance formed as a result of a chemical reaction
Down
  1. 1. nonmetallic elements that has some characteristics
  2. 2. number in front of a symbol that represents the number molecules presents
  3. 6. does not conduct electricity or heat well
  4. 7. columns of elements on the periodic table
  5. 8. horizontal row on the periodic table