Chemistry Review

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Across
  1. 4. part of an atom that has a negative charge
  2. 8. one kind of energy the sun gives off
  3. 9. a group of atoms bonded together
  4. 12. made of two hydrogens and one oxygen atom
  5. 13. something that has weight, you can touch it
  6. 15. the element that makes up all living creatures
  7. 16. the smallest unit of matter
  8. 17. the science of living things
Down
  1. 1. something that has no weight, like light, movement, or heat
  2. 2. another name for ethanol
  3. 3. something that holds atoms together in a molecule
  4. 5. a kind of energy that you sense with your eyes
  5. 6. part of an atom that has no charge
  6. 7. the science of atoms and molecules
  7. 10. the name of Werner's clown pleco
  8. 11. when you combine 2 chemicals and they turn into new chemicals
  9. 14. part of an atom that has a positive charge