chemistry 1

1. the smallest chemical components of an element
2. an alpha hydroxy acid used in exfoliation and to lower the ph of products
8. compounds that react with acids to form salts
9. a change in the chemical composition or makeup of a substance
13. chemical reactions that release a significant amount of heat
16. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
17. sweet colorless oily substance used as a solvent and as a moisturizer in skin and body creams
19. molecule containing two or more atoms of the same element in definite proportions
21. having an affinity for or an attraction to fat or oils
22. a solution that has a ph below seven
23. an ion with a negative electrical charge
25. an unstable physical mixture of two or more immiscible substances plus a special ingredient called an emulsifier
26. an ion with a positive electrical charge

1. acids derived from plants that are often used to exfoliate the skin
3. characteristics that can only be determined by a chemical change in a substance
4. liquids that are not capable of being mixed together to for stable solutions
5. a solution that has a ph above seven
6. alkaline substances used to neutralize acids or raise the ph of many hair products
7. an ingredient that brings two normally incompatible materials materials together and binds them into a uniform and fairly stable blend
10. subatomic particals with a negative charge
11. rapid oxidation of a substance accompanied by the production of heat and light
12. the simplest form of chemical matter
14. the study of substances that do not contain the element carbon but they may contain the element hydrogen
15. a chemical combination of two or more atoms of different elements in different elements in definite proportions
18. the separation of an atom or molecule into a positive or negative ions
20. science that deals with the composition structures and properties of matter and how matter changes under different conditions
24. an atom or molecule that carries an electrical charge