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5 Written questions

5 Matching questions

  1. liquid
  2. chemical change
  3. compounds
  4. density
  5. atoms
  1. a is a substance that takes a shape of it contaner.
  2. b the amount per unit size
  3. c a change that produces matter with a different composition than the original matter
  4. d the smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons.
  5. e substances formed by the joining of elements through chemical bonding. every molecule of a compound is the same.

5 Multiple choice questions

  1. of definite shape and volume
  2. made of two or more substances (elements, compounds, or both) that are combined
  3. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
  4. on the left
  5. that which has mass and occupies space.(everything in the world has this)

5 True/False questions

  1. acidof definite shape and volume

          

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

          

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

          

  4. law of conservation of massa fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system

          

  5. volumephysical objects consisting of a number of pages bound together