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Oxidation number of elements in an ionic compound

Quiz by uzma sami

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8 questions
Show answers
  • Q1
    What is the oxidation number of oxygen in the ionic compound MgO?
    +1
    +4
    +2
    -2
    30s
  • Q2
    What is the oxidation number of chlorine in the ionic compound NaCl?
    -2
    +2
    +1
    -1
    30s
  • Q3
    What is the oxidation number of bromine in the compound HBr?
    -1
    +1
    -2
    +2
    30s
  • Q4
    What is the oxidation number of potassium in the ionic compound K2O?
    -2
    -1
    +2
    +1
    30s
  • Q5
    What is the oxidation number of copper in the ionic compound CuCl2?
    +2
    +1
    -2
    +3
    30s
  • Q6
    Define oxidation number
    number of oxygen atoms in a compound
    number of electrons an atom has gained, lost, or shared to become stable
    number of protons and neutrons
    charge on an oxygen atom
    30s
  • Q7
    what is the oxidation number of Fe in FeCl2
    -2
    +2
    -1
    +1
    30s
  • Q8
    Ionic compounds are made up of ions. what is the net charge on LiF?
    +2
    _1
    -2
    0
    30s

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