Do You Want To Do A Crossword Puzzle?

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Across
  1. 3. horizontal row on the periodic table
  2. 4. is an electron that is the most likely to be involved in a chemical reaction
  3. 7. a subatomic particle with no charge
  4. 8. a subatomic particle with a negative charge
  5. 9. the amount of matter in a particle or object
  6. 10. substances that result from the recombination of atoms
Down
  1. 1. the system of electrons surrounding the nucleus of an atom
  2. 2. present in a chemical reaction that are consumed during the reaction to make products
  3. 3. subatomic particle with a positive electric charge
  4. 5. center of an atom that holds all the mass
  5. 6. a vertical column in the periodic table, elements with similar properties