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5 Written Questions

5 Matching Questions

  1. 2
  2. electron cloud
  3. metallic
  4. valence electrons
  5. molecule
  1. a consists of two atoms of the same element covalently bonded together
  2. b the subatomic particles involved in forming chemical bonds
  3. c when electrons are free to move from one atom to the next, what type of bond are they most likely involved in?
  4. d the region outside of the nucleus where electrons are likely to be found
  5. e how many valence electrons does Helium have?

5 Multiple Choice Questions

  1. a measure of how acidic or basic a solution is
  2. reactants of a neutralization reaction
  3. a substance in which there is only one type of particle
  4. How would you seperate sand from water?
  5. the two types of pure substances

5 True/False Questions

  1. Periodic Lawin what period is Neptunium found?


  2. periodicwhat type of ion (positive or negative) do metals form?


  3. Dalton's TheoryAtoms are always moving and are capable of joining together.


  4. atomic masssays that the chemical and physical properties of elements are periodic functions of their atomic numbers


  5. chemical symbolthe joining of atoms to form new substances


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