Across
- 2. a highly reactive gas composed of three oxygen atoms
- 5. very harmful or unpleasant in a pervasive or insidious way.
- 6. the atmospheric layer that is composed of stratified temperature layers
- 7. to reduce in amount by using up
- 8. the 17th element on the periodic table
- 9. the molecular formula for Chlorine monofluoride
Down
- 1. a molecule which contains two or more different halogen atoms
- 3. a group of atoms bonded together
- 4. a type of electromagnetic radiation that has shorter wavelengths than visible light.
- 8. the 6th element on the periodic table