Chemistry

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Across
  1. 4. a subatomic particle that has a negative charge (-1)
  2. 5. radiant energy given of by the sun
  3. 8. a subatomic particle that has a positive charge (+1)
Down
  1. 1. member of the family of elements composed of very reactive, colored, non-metals
  2. 2. a compound made from carbon and hydrogen
  3. 3. a substance that has a PH level higher than 7 when it's in aqueous solution
  4. 6. starting substance in a chemical reaction
  5. 7. a substance that has a PH level lower than 7 when it's in aqueous solution