Chapter 16

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Across
  1. 3. Negatively charged particle in an atom
  2. 5. Substance made of two or more different elements
  3. 6. Substance that undergoes a chemical reaction
  4. 7. Charged atom
  5. 10. reaction Process where substances change into new substances
  6. 12. Two or more atoms bonded together
  7. 13. bond Bond formed by sharing electrons
Down
  1. 1. Atom with the same number of protons but different neutrons
  2. 2. Substance produced in a chemical reaction
  3. 4. Positively charged particle in an atom
  4. 7. bond Bond formed by transferring electrons
  5. 8. Center of an atom
  6. 9. Pure substance made of one kind of atom
  7. 11. Neutral particle in an atom
  8. 14. Smallest unit of matter