Across
- 1. Makes up 65% of the human body
- 5. Smallest particle of an element that still retains the properties of the element
- 6. Hydrophilic means
- 10. Has a definite size but not a definite shape
- 11. Rapid oxidation accompanied by heat and light
- 13. Lightest element on earth
- 16. Oil loving end of a surfactant
- 17. Anything below 7 on the pH scale
- 18. Rusting iron and burning wood are examples of this type of property changes
Down
- 2. Part of the atom that has a negative charge
- 3. Fertilizer, plastic, gasoline
- 4. Antioxidants do this to free radicals to prevernt oxidation from occurring
- 7. Skin's protective barrier
- 8. Air, hydrogen peroxide, salt water for example
- 9. All living things, plants or animals contain this
- 12. This type of emulsion is easily rinsed away with water
- 14. Two or more atoms joined chemically
- 15. A change in the state of a substance, without the formation of a new substance