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COVALENT BONDING MCQs

Total Questions : 23 | Page 1 of 3 pages
Question 1. Which of these is not a covalent molecule?
  1.    K2O
  2.    CO2
  3.    HCl
  4.    CH4
 Discuss Question
Answer: Option A. -> K2O
Question 2. Which element below is not diatomic?
  1.    hydrogen
  2.    oxygen
  3.    nitrogen
  4.    sulfur
 Discuss Question
Answer: Option D. -> sulfur
Question 3. How many electrons should Lithium have around its Lewis dot model?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option A. -> 1
Question 4. Write the formula for: chlorine monoxide
  1.    ClO
  2.    Cl2O
  3.    CO
  4.    None of these
 Discuss Question
Answer: Option A. -> ClO
Question 5. Which statement describes the formation of a covalent bond?
  1.    Electrons are shared between metallic atoms.
  2.    Electrons are shared between non-metallic atoms.
  3.    Electrons are transferred from metallic to non-metallic atom
  4.    none of the above
 Discuss Question
Answer: Option B. -> Electrons are shared between non-metallic atoms.
Question 6. Name the following: As2O3 ( Diarsenic Trioxide )
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 7. What happens when you put an ionic compound in water?
  1.    The ions separate
  2.    The ions pack more closely together
  3.    Nothing happens
  4.    All of above
 Discuss Question
Answer: Option A. -> The ions separate
Question 8. Which of these are an ion?
  1.    3 protons, 3 neutrons, 3 electrons.
  2.    8 protons, 8 neutrons, 8 electrons
  3.    2 protons, 3 neutrons, 2 electrons
  4.    6 protons, 6 neutrons, 7 electrons
 Discuss Question
Answer: Option D. -> 6 protons, 6 neutrons, 7 electrons
Question 9. What is the charge of a sodium ion with 11 protons and 10 electrons?
  1.    1+
  2.    1-
  3.    2+
  4.    2-
 Discuss Question
Answer: Option A. -> 1+
Question 10. What is the VSEPR theory used to predict?
  1.    Bond Strength
  2.    Polarity
  3.    Molecular Shape
  4.    Electronegativity
 Discuss Question
Answer: Option C. -> Molecular Shape

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