CHEMISTRY Properties of Matter

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Natalie
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8655
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CHEMISTRY Properties of Matter
Updated:
2010-03-01 15:32:57
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properties of matter
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properties of matter
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  1. Anything that takes up space and has mass
    matter
  2. A measure of how much matter is in an object
    mass
  3. A measure of the gravitational force between an object and the earth
    weight
  4. Uniform throughout
    homogeneous
  5. Not uniform throughout
    herterogeneous
  6. What are some homogeneous things?
    • Elements
    • Compounds
    • Solutions
  7. What are some heterogeneous things?
    • Granite
    • Ice water
    • OJ with pulp
  8. A kind of matter that has a unique set of properties
    Pure substance
  9. Basic substances that can't be broken down into anything simpler by a chemical reaction
    Element
  10. Two or more different elements chemically combined
    Compound
  11. Chemical symbols and subscripts that describe the composition of a compound
    Chemical formula
  12. What are the important characteristics of all compounds?
    • Homogeneous
    • Constituents have a definite proportion
    • Made and broken down by chemical reactions
    • Properties differ from those of the constituents
  13. What are the important characteristics of a mixture?
    • Homogeneous or heterogeneous
    • Varied portions of constituents
    • Made and separated physically
    • Properties are the same as constituents
  14. Two or more substances physically combined
    Mixture
  15. Homogeneous mixture of one or more substances dispersed as atoms, molecules, or ions throughout another substance
    Solution
  16. A charged atom
    Ion
  17. The dispersed substance in a solution
    Solute
  18. The substance in which the solute is dispersed in a solution
    Solvent
  19. What are the types of solutions?
    • Gaseous - Solvent and solute are both gases or vapors
    • Liquid - Solvent is a liquid, Solute could be a solid, liquid or gas
    • Solid - Solvent and solute are both solids
  20. A solid solution
    Alloy
  21. A liquid solution in which water is the solvent
    Aqueous
  22. What are two concentration units?
    • Molarity - M
    • Percentage - %
  23. Concentration is the measure of solute per _____ of solvent
    liter
  24. What are some ways to separate mixtures?
    • Solubility
    • Boiling point
    • Magnetism
    • Mechanical picking
    • Sifting
    • Magnetic picking
    • Filtration
    • Dissolving
    • Distillation
    • Chromatography
    • Mass spectroscopy
  25. Type of property that is independent of amount
    Intensive
  26. Type of property that is dependent on amount
    Extensive
  27. Type of property that describes how a substance reacts with another
    Chemical
  28. Type of property that doesn't describe reactions
    Physical
  29. What are some intensive property examples?
    • Color
    • Boiling/melting point
    • Odor
  30. What are some extensive property examples?
    • Mass
    • Weight
    • Surface area
    • Volume
  31. What are some chemical property examples?
    • X reacts with air
    • X reacts with water
    • X doesn't react with nitrogen
    • X is combustible
  32. What are some physical property examples?
    • Color
    • Mass
    • Boiling point
    • Volume
  33. Processes that give off energy
    Exothermic
  34. Processes that absorb energy
    Endothermic
  35. All changes of matter involve ______
    Energy
  36. What are some forms of energy?
    • Chemical
    • Mechanical
    • Light
    • Sound
    • Heat
    • Magnetic
    • Electrical
  37. What kind of change produces a new substance?
    Chemical
  38. What kind of change does not produce a new substance?
    Physical
  39. What are some examples of evidence of a chemical change?
    • Bubbles/gas
    • Odor change
    • Sudden temperature change
    • Color change
    • Change in magnetism/conductivity
    • Obvious new substance
    • Change in mass
  40. A statement of an observed phenomenon that does not explain how or why it occurs
    Law
  41. What is the law of Conservation of Matter?
    Matter cannot be created or destroyed by a chemical reaction
  42. An explanation of how or why a phenomenon occurs based on limited information
    Hypothesis
  43. An explanation of how or why a phenomenon occurs based on lots of reapeatable information
    Theory
  44. What is chemistry?
    • The study of matter and its:
    • Compostion
    • Structure
    • Properties and
    • Changes

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