Across
- 1. An invisible collection of certain molecules
- 3. Has a definite volume, but no definite shape
- 6. A piece of equipment that produces a single flame
- 7. A gas you breath in
- 8. A collection of particals
- 9. In most dairy products
- 11. Something that is used to indicate the acidity or alkalinity of a substance
Down
- 1. To protect your eyes
- 2. Has the atomic number 16
- 4. A strong silvery-grey metal, much used as a material for construction and manufacturing
- 5. A table with all the elements on
- 10. Collection of atoms