Chemical Compounds- Chapter 7

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Across
  1. 6. A negative ion
  2. 7. A particle that can be negatively or positively charged
  3. 8. When two non-metal atoms share electrons
  4. 9. Two nitrogen joined together is an example
  5. 10. H2O is an example
Down
  1. 1. A positive ion
  2. 2. Water (H2O) is an example of this
  3. 3. A compound that consists of positively and negatively charged ions
  4. 4. Two or more atoms that have joined together in a unit
  5. 5. A substance that speeds up a chemical reaction but is not used up in the reaction