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Chemistry

Chemistry. Matter. Anything that occupies space. Solids. matter with definite weight, volume and shape. Ice. liquids. matter with definite weight and volume but no definite shape. Liquid Nitrogen. liquid. mercury. Gases. Matter with definite weight but indefinite volume and shape.

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Chemistry

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  1. Chemistry

  2. Matter • Anything that occupies space

  3. Solids • matter with definite weight, volume and shape

  4. Ice

  5. liquids • matter with definite weight and volume but no definite shape

  6. Liquid Nitrogen

  7. liquid

  8. mercury

  9. Gases • Matter with definite weight but indefinite volume and shape

  10. neon gas

  11. Gases • in many forms.....

  12. Physical change • a change in the physical characteristics of a substance without creating a new substance

  13. Chemical change • change in a substance that creates a new substance

  14. The difference between the two • http://www.youtube.com/watch?v=gCbqjs-pqJo

  15. Chemistry • the scientific study of matter and the physical and chemical changes of matter

  16. Organic Chemistry • deals with all matter that is now living or was alive at one time, with carbon present such as plants and animals

  17. inorganic chemistry • studies all matter that is not alive, has never been alive and does not contain carbon, such as rocks, water and minerals

  18. Elements • basic substances that cannot be broken down int simpler substances

  19. hydrogen • gas • atomic number 1 • H

  20. Helium • atomic number 2 • gas • He

  21. lithium • atomic number 3 • solid • Li

  22. Carbon • Atomic number 6 • C • solid

  23. Nitrogen • Atomic number 7 • gas • N

  24. Oxygen • Atomic number 8 • gas • O

  25. Aluminum • Atomic number 13 • solid • Al

  26. Sulfur • Atomic number 16 • solid • S

  27. Mercury • Atomic number 80 • liquid • H

  28. Atomic Number • http://www.youtube.com/watch?v=ufeZCeu_TSo

  29. Protons Nuetrons Electrons • http://www.youtube.com/watch?v=Vi91qyjuknM

  30. Molecule • two or more atoms joined by a chemical bond

  31. Molecule • http://www.youtube.com/watch?v=qmgE0w6E6ZI

  32. Chemical Bonds • http://www.youtube.com/watch?v=_M9khs87xQ8

  33. Amino Acids • compound consisting of carbon, oxygen hydrogen and nitrogen. • 22 common aminos

  34. Hair is a form of protein...Keratin • 97% Keratin • 3% trace minerals

  35. Peptide Bonds • http://www.youtube.com/watch?v=va0DNJId_CM

  36. Polypeptide Bonds • Backbone of all protien molecules • When two amino acids are positioned end to end, the acide endo of one amino accid attaches to the amino end of another amino acid

  37. NO HAirdryer for • Sodium hydroxide relaxer • looses the characteristic of hair

  38. Side bonds • Hydrogen • salt • disulfide • vander Waal’s forces

  39. Hydrogen Bond • http://www.youtube.com/watch?v=tv4Jrc06yLA

  40. Salt Bond • result in attraction of unlike charges

  41. Disulfide Bond • http://www.youtube.com/watch?v=O6eKuSbnOMA

  42. van der Waal’s Forces • role in bonding protien chains

  43. experiment • http://www.youtube.com/watch?v=5n7kBkBcXgo

  44. Page 117 • Review Hair’s chemical structure

  45. Ph • Potential Hydrogen

  46. ph explained • http://www.youtube.com/watch?v=M8tTELZD5Ek

  47. The scale

  48. Chemistry of Cosmetics • solutions • suspensions • emulsions • ointments • soaps • Powders

  49. Scavenger Hunt • Bring back examples from clinic floor

  50. Water • the universal solvent • capable of dissolving more sublstanses than any other solvent

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