1. Understanding solution
Elements and Atoms
Chemical Reactions
Understanding solution
Carbon Properties
E and A For 100
Chemical Reactions for 100
Understanding Solutions for 100
Properties of Carbon for 100
E and A for 200
Chemical Reactions for 200
Understanding Solutions for 200
Properties of Carbon for 200
E and A for 300
Chemical Reactions for 300
Understanding Solutions for 300
Properties of Carbon for 300
E and A For 400
Chemical Reactions for 400
Understanding Solutions for 400
Properties of Carbon for 400
E and A for 500
Chemical Reactions for 500
Understanding Solutions for 500
Properties of Carbon for 500
E and A for 600
Chemical Reactions for 600
Understanding Solutions for 600
Properties of Carbon for 600
E and A For 700
Chemical Reactions for 700
Understanding Solutions for 700
Properties of Carbon for 700
E and A for 800
Chemical Reactions for 800
Understanding Solutions for 800
Properties of Carbon for 800
Understanding Solutions for 900

2. What is matter? E and A Answer For 100
E and A For 100
What is matter?
E and A Answer For 100

3. Anything that has mass and takes up space. Home
E and A Answer For 100
Anything that has mass and takes up space.
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4. What are elements? E and A Answer for 200
E and A for 200
What are elements?
E and A Answer for 200

5. The simplest pure substances that cannot be broken down. home
E and A Answer for 200
The simplest pure substances that cannot be broken down.
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6. What is a compound? E and A Answer for 300
E and A for 300
What is a compound?
E and A Answer for 300

7. E and A Answer for 300
A pure substance made of two or more elements that are combined chemically in a specific ratio.
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8. What is a mixture? E and A Answer for 400
E and A For 400
What is a mixture?
E and A Answer for 400

9. E and A Answer for 400
Two or more substances- elements, compounds, or both-that are in the same place but are not chemically combined.
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10. What is an atom? E and A Answer for 500
E and A for 500
What is an atom?
E and A Answer for 500

11. The smallest particle of an element. Home
E and A Answer for 500
The smallest particle of an element.
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12. What is a chemical bond? E and A Answer for 600
E and A for 600
What is a chemical bond?
E and A Answer for 600

13. E and A Answer for 600
The force of attraction tat holds two atoms together as a result of the rearrangement of electrons between them.
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14. What is an ionic bond? E and A Answer for 700
E and A For 700
What is an ionic bond?
E and A Answer for 700

15. The attraction between two oppositely charged ions Home
E and A Answer for 700
The attraction between two oppositely charged ions
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16. What is a covalent bond? E and A Answer for 800
E and A for 800
What is a covalent bond?
E and A Answer for 800

17. The chemical bond formed when two atoms share electrons. Home
E and A Answer for 800
The chemical bond formed when two atoms share electrons.
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18. Chemical Reactions for 100
What is physical property?
Answer 100

19. Chemical Reactions Answer for 100
A characteristic of a substance that can be observed without changing the substance into another substance.
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20. Chemical Reactions for 200
What is chemical property?
Answer 200

21. Chemical Reactions Answer for 200
Characteristic of a substance that describes its ability to change into other substances.
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22. Chemical Reactions for 300
What is physical change?
Answer 300

23. Chemical Reactions Answer for 300
Any change that alters the form or appearance of a substance but that does not make the substance into another substance.
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24. Chemical Reactions for 400
What is a chemical reaction?
Answer

25. Chemical Reactions Answer for 400
A change in matter that produced one or more new substances.
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26. Chemical Reactions for 500
What is conservation of mass?
Answer 500

27. Chemical Reactions Answer for 500
During a chemical reaction, matter is not created or destroyed. All the atoms present at the start of the reaction are present at the end.
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28. Chemical Reactions for 600
What is an inhibitor?
Answer 600

29. Chemical Reactions Answer for 600
A material used to decrease the rate of a reaction.
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30. Chemical Reactions for 700
What is combustion?
Answer 700

31. Chemical Reactions Answer for 700
A rapid reaction between oxygen and a substance.
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32. Chemical Reactions for 800
What is a fuel?
Answer 800

33. Chemical Reactions Answer for 800
Material that releases energy when it burns.
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34. Understanding Solutions for 100
What is a solution?
Answer 100

35. Understanding Solutions Answer for 100
A well mixed mixture that contains a solvent and at least one solute.
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36. Understanding Solutions for 200
What is a solvent?
Answer 200

37. Understanding Solutions Answer for 200
Part of a solution present in the largest amount.
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38. Understanding Solutions for 300
What is a solute?
Answer 300

39. Understanding Solutions Answer for 300
The substance that is present in a solution in a smaller amount and is dissolved by the solvent.
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40. Understanding Solutions for 400
What is a suspension?
Answer 400

41. Understanding Solutions Answer for 400
A mixture in which particles can be seen and easily separated by settling or filtration.
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42. Understanding Solutions for 500
What is solubility?
Answer 500

43. Understanding Solutions Answer for 500
A measure of how much solute can dissolve in a solvent at a given temperature.
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44. Understanding Solutions for 600
What is an acid?
Answer 600

45. Understanding Solutions Answer for 600
Compounds whose characteristic properties include the kinds of reactions they undergo.
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46. Understanding Solutions for 700
What is an indicator?
Answer 700

47. Understanding Solutions Answer for 700
A compound that changes color when in contact with an acid or base.
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48. Understanding Solutions for 800
What is a base?
Answer 800

49. Understanding Solutions Answer for 800
Another group of compounds that can be identified by their common properties.
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50. Understanding Solutions for 900
What is the pH scale?
Answer 900

51. Understanding Solutions Answer for 900
Range of values from 0 to 14. Measures concentration of hydrogen irons.
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52. Properties of Carbon for 100
What is a diamond?
Answer 100

53. Properties of Carbon Answer for 100
The hardest mineral which is formed deep within the Earth.
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54. Properties of Carbon for 200
What is graphite a form of?
Answer 200

55. Properties of Carbon Answer for 200
Form of the element carbon.
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56. Properties of Carbon for 300
What is an organic compound?
Answer 300

57. Properties of Carbon Answer for 300
With some exceptions, compounds that contain carbon.
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58. Properties of Carbon for 400
What is a structural formula?
Answer 400

59. Properties of Carbon Answer for 400
Shows the kind, number, and arrangement of atoms in a molecule.
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60. Properties of Carbon for 500
What is a polymer?
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61. Properties of Carbon Answer for 500
A very large molecule made of a chain of many smaller molecules bonded together.
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62. Properties of Carbon for 600
What is a carbohydrate?
Answer 600

63. Properties of Carbon Answer for 600
An energy-rich organic compound made of he elements carbon, hydrogen, and oxygen.
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64. Properties of Carbon for 700
What is a protein?
Answer 700

65. Properties of Carbon Answer for 700
Polymer formed from smaller molecules called amino acids.
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66. Properties of Carbon for 800
What is a nucleic acid?
Answer 800

67. Properties of Carbon Answer for 800
Very large organic molecules made up of carbon, oxygen, hydrogen, nitrogen, and phosphorus.
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