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10 questions
Show answers
  • Q1
    What is the formula for potassium sulfide?
    KP
    K2S
    KP2
    30s
    SPS2c
  • Q2
    What is the formula for calcium chloride?
    Ca2Cl
    Ca2Cl2
    CaCl2
    30s
  • Q3
    What type of bonding is CaO?
    Metallic
    Ionic
    Covalent
    30s
    SPS2a
  • Q4
    From the given symbols, choose the two elements that are likely to form an ionic bond.
    K and Ca
    K and S
    Ca and Ne
    S and O
    30s
    SPS2b
  • Q5
    Covalent bonding is the transferring of outer electrons between non-metals?
    False
    True
    30s
    SPS2a
  • Q6
    The combination of atoms formed in a covalent bond is called a ___________.
    molecule
    compound
    formula unit
    model
    30s
  • Q7
    Covalent bonds do not conduct electricity.
    False
    True
    30s
  • Q8
    Neon has a valence electron number of 8. Carbon has a valence electron count of 4. What will the chemical formula be?
    There will be no chemical formula.
    Ne2C2
    C2Ne
    30s
    SPS2b
  • Q9
    Nitrogen has an electron configuration of 2, 8, 5. Chlorine has an electron configuration of 2, 8, 7. How many electrons do both elements need to get a full outer shell?
    Nitrogen needs 1, Chlorine needs 3
    Nitrogen needs 3, Chlorine needs 2
    Nitrogen needs 6, Chlorine needs 3
    Nitrogen needs 3, Chlorine needs 1
    30s
    SPS2a
  • Q10
    Which of the following is incorrect?
    Li2O
    O2
    C4O2
    He
    30s
    SPS2b

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