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5 Written questions

5 Matching questions

  1. isotopes
  2. blue
  3. -2
  4. electron
  5. pink-red
  1. a what charge does an oxygen ion have?
  2. b a negatively charged particle in an atom
  3. c what color would a solution of pop turn litmus paper?
  4. d Atom A has 5 protons and 6 neutrons. Atom B has 5 protons and 5 neutrons. What are atoms A and B called?
  5. e what color would pH paper turn in soap?

5 Multiple choice questions

  1. the change of a substance from a solid to a liquid
  2. a column on the periodic table
  3. an element that is capable of covalently bonding two of that same element's atoms together in a molecule
  4. the chemical symbols of the 6 metalloids
  5. what charge does a magnesium ion have?

5 True/False questions

  1. basewhat color would pH paper turn in soap?


  2. insolublewhat color would a solution of ammonia turn litmus paper?


  3. covalenta substance that changes the rate of chemical reactions without being consumed


  4. elements and compoundsthe subatomic particles involved in forming chemical bonds


  5. ionscharged particles that form during chemical changes when one or more valence electrons transfer from one atom to another


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