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5 Written questions

5 Matching questions

  1. density
  2. matter
  3. reactants
  4. chemical change
  5. volume
  1. a physical objects consisting of a number of pages bound together
  2. b the amount per unit size
  3. c on the left
  4. d a change that produces matter with a different composition than the original matter
  5. e that which has mass and occupies space.(everything in the world has this)

5 Multiple choice questions

  1. a molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions.
  2. a body of matter without definite shape
  3. of definite shape and volume
  4. is a substance that takes a shape of it contaner.
  5. on the right

5 True/False questions

  1. mixturesmade of two or more substances (elements, compounds, or both) that are combined

          

  2. physical changea change that produces matter with a different composition than the original matter

          

  3. law of conservation of massthe smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons.

          

  4. compoundssubstances formed by the joining of elements through chemical bonding. every molecule of a compound is the same.

          

  5. gasthe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity