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5 Written questions

5 Matching questions

  1. base
  2. solid
  3. atoms
  4. chemical change
  5. density
  1. a the smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons.
  2. b a change that produces matter with a different composition than the original matter
  3. c the amount per unit size
  4. d any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
  5. e of definite shape and volume

5 Multiple choice questions

  1. made of two or more substances (elements, compounds, or both) that are combined
  2. on the right
  3. is a substance that takes a shape of it contaner.
  4. a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
  5. on the left

5 True/False questions

  1. gasany of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water

          

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

          

  3. matterthat which has mass and occupies space.(everything in the world has this)

          

  4. elementsa molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions.

          

  5. periodic tablea table of elements