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COVALENT BONDING MCQs

Total Questions : 23 | Page 3 of 3 pages
Question 21. Which of the following pairs of elements will form a covalent compound?
  1.    sulfur and neon
  2.    hydrogen and carbon
  3.    sodium and chlorine
  4.    none of the above
 Discuss Question
Answer: Option B. -> hydrogen and carbon
Question 22. Most atoms have no net charge because they have
  1.    an equal number of charged and non-charged particles
  2.    neutrons in their nuclei
  3.    an equal number of electrons and protons
  4.    an equal number of neutrons and protons
 Discuss Question
Answer: Option C. -> an equal number of electrons and protons
Question 23. What is graphene?
  1.    A sphere shaped structure of carbon atoms
  2.    Several layers of graphite
  3.    One layer of graphite
  4.    A tube shaped layer of carbon atoms
 Discuss Question
Answer: Option C. -> One layer of graphite

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