Chemistry

12345678
Across
  1. 3. a substance that has a PH level lower than 7 when it's in aqueous solution
  2. 4. member of the family of elements composed of very reactive, colored, non-metals
  3. 6. radiant energy given of by the sun
  4. 8. a substance that has a PH level higher than 7 when it's in aqueous solution
Down
  1. 1. a subatomic particle that has a positive charge (+1)
  2. 2. a compound made from carbon and hydrogen
  3. 5. a subatomic particle that has a negative charge (-1)
  4. 7. starting substance in a chemical reaction