Chemword

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Across
  1. 3. absorbing heat
  2. 5. holds the proton and neutrons
  3. 7. negative charge
  4. 8. has hydroxide ions
  5. 9. first name of man who invented periodic table
  6. 10. bonding between one metal and one non-metal
  7. 12. positive charge
  8. 13. neutral charge
Down
  1. 1. has hydrogen ions
  2. 2. bonding between two metals
  3. 4. reaction between acid and base
  4. 6. smallest particle
  5. 7. releasing heat
  6. 11. two of the same element w/ different number of neutrons