chemistry 1

1. subatomic particals with a negative charge
4. an alpha hydroxy acid used in exfoliation and to lower the ph of products
5. a change in the chemical composition or makeup of a substance
6. acids derived from plants that are often used to exfoliate the skin
8. sweet colorless oily substance used as a solvent and as a moisturizer in skin and body creams
10. an atom or molecule that carries an electrical charge
11. the simplest form of chemical matter
13. the smallest chemical components of an element
14. science that deals with the composition structures and properties of matter and how matter changes under different conditions
16. chemical reactions that release a significant amount of heat
17. a solution that has a ph above seven
21. liquids that are not capable of being mixed together to for stable solutions
22. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
23. a chemical combination of two or more atoms of different elements in different elements in definite proportions
25. compounds that react with acids to form salts
26. a solution that has a ph below seven

2. characteristics that can only be determined by a chemical change in a substance
3. the separation of an atom or molecule into a positive or negative ions
7. an ingredient that brings two normally incompatible materials materials together and binds them into a uniform and fairly stable blend
9. molecule containing two or more atoms of the same element in definite proportions
12. the study of substances that do not contain the element carbon but they may contain the element hydrogen
15. an ion with a negative electrical charge
16. an unstable physical mixture of two or more immiscible substances plus a special ingredient called an emulsifier
18. alkaline substances used to neutralize acids or raise the ph of many hair products
19. having an affinity for or an attraction to fat or oils
20. rapid oxidation of a substance accompanied by the production of heat and light
24. an ion with a positive electrical charge