1. Elements, Compounds, Homogeneous mixtures & Heterogeneous mixtures

2. The following flashcards are to practice the examples of elements, compounds, homogeneous mixtures & heterogeneous mixtures.

3. Air
(N2, CO2, O2 and others)

4. Homogeneous mixture

5. Sulfur
(S)

6. Element

7. (limestone, shale, gravel, etc.)
Concrete
(limestone, shale, gravel, etc.)

8. Heterogeneous mixture

9. (rocks, org. matter & water)
Muddy Water
(rocks, org. matter & water)

10. Heterogeneous mixture

11. Mercury (Hg)

12. Element

13. Hematite (or rust)
(Fe2O3)

14. Compound

15. Phosphorus (P)

16. Element

17. Water
(H2O)

18. Compound

19. Sodium Chloride , or salt
(NaCl)

20. Element

21. Hydrogen Peroxide
(H2O2)

22. Compound

23. Windex window cleaner
(NH3, H2O, colorings, etc.)

24. Homogeneous mixture

25. Carbon Dioxide (CO2)

26. Compound

27. Nitrogen
(N2)

28. Element

29. Silver
(Ag)

30. Element

31. Brass
(CuZn)

32. Compound

33. Asprin
(C9H804)

34. Compound

35. Nail Polish Remover
(acetone, water, etc.)

36. Homogeneous mixture

37. Vinegar
(HC2H3O2 + H2O)

38. Homogeneous mixture

39. Salt water
(NaCl & H2O)

40. Homogeneous mixture

41. Copper Sulfate & water
(CuSO4 & H2O)

42. Homogeneous mixture

43. 14 –karat gold
(Au, CU, Ni, & Ag)

44. Homogeneous mixture

45. Baking Soda
(Na HCO3)

46. Compound

47. Copper
(Cu)

48. Element

49. (various organic materials & water)
Milk
(various organic materials & water)

50. Heterogeneous mixture

51. Oil Based paint

52. Heterogeneous mixture

53. Orange Juice

54. Heterogeneous mixture

55. (SiO2, shells, org. matter, etc)
Beach Sand
(SiO2, shells, org. matter, etc)

56. Heterogeneous mixture

57. Oatmeal Cookie
(organic materials)

58. Heterogeneous mixture

59. (sugar, water & colorings)
Gummy Bear in water
(sugar, water & colorings)

60. Heterogeneous mixture

61. Iron & Sulfur
(Fe & S)

62. Heterogeneous mixture

63. (SiO2, mica, feldspar, etc.)
Granite
(SiO2, mica, feldspar, etc.)

64. Heterogeneous mixture

65. Sodium Chromate &water
(Na2CrO4 & H2O)

66. Homogeneous mixture

67. Opal
(SiO2 & H2O)

68. Heterogeneous mixture

69. Copper Sulfate crystals
(CuSO4)

70. Compound

71. Iron
(Fe)

72. Element

73. Calcium Carbonate
(CaCO3)

74. Compound

75. (water, sugar & colorings)
Gatorade
(water, sugar & colorings)

76. Heterogeneous mixture