This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Syntax > Valency – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the compound H2O, how many Hydrogen atoms share their electrons with 1 Oxygen atom? A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: B) 2. 2. Which of the following forms a divalent cation? A) Magnesium. B) Iron. C) Potassium. D) Aluminium. Show Answer Correct Answer: A) Magnesium. 3. What is the valency of chlorine in NaCl? A) -2. B) +1. C) -1. D) 0. Show Answer Correct Answer: C) -1. 4. How many valence electrons are in an atom of Sn? A) 8. B) 3. C) 1. D) 4. Show Answer Correct Answer: D) 4. 5. The valency of nitrogen is ..... A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: B) 3. 6. An element has 5 valence electron, what is its valency? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 7. What is the difference between the number of electrons in an atom of Calcium, Ca, and the number of electrons in an atom of Aluminum, Al? A) 13. B) 7. C) 27. D) 20. Show Answer Correct Answer: B) 7. 8. Electrons in the outer shells that are not filled are called A) MOVING ELECTRON. B) SHELL ELECTRON. C) VALENCE ELECTRON. D) ALL OF THE ABOVE. Show Answer Correct Answer: C) VALENCE ELECTRON. 9. What is the actor argument in this sentence "My mother always cooks in the kitchen everyday" A) Cooks. B) Kitchen. C) My mother. D) Everyday. Show Answer Correct Answer: C) My mother. 10. The auctioneer pointed toward the woman in the back row. A) Intransitive. B) Ditransitive. C) Complex transitive. D) Monotransitive. E) Copular. Show Answer Correct Answer: A) Intransitive. 11. Potassium ion (Select the correct charge) A) +1. B) +2. C) +3. D) None of the above. Show Answer Correct Answer: A) +1. 12. Which of the following have completely filled outermost shell? A) HALOGEN. B) METALS. C) CHALCOGEN. D) NOBLE GASES. Show Answer Correct Answer: D) NOBLE GASES. 13. The formula of calcium hydroxide is A) CaOH. B) Ca(OH)$_{2}$. C) Ca(OH)$_{3}$. D) None of the above. Show Answer Correct Answer: B) Ca(OH)$_{2}$. 14. What is the maximum number of electrons that can be accommodated in the third energy level according to Bohr's model? A) 20. B) 18. C) 12. D) 25. Show Answer Correct Answer: B) 18. 15. Fluoride ion (Select the correct charge) A) -1. B) -2. C) -3. D) None of the above. Show Answer Correct Answer: A) -1. 16. What is the valency of phosphorus? A) 6. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 17. In Bohr's model, which energy level is closest to the nucleus? A) Fifth energy level. B) First energy level. C) Third energy level. D) Second energy level. Show Answer Correct Answer: B) First energy level. 18. The formula of iron(III) oxide is A) Fe$_{2}$O. B) FeO. C) FeO$_{2}$. D) Fe$_{2}$O$_{3}$. Show Answer Correct Answer: D) Fe$_{2}$O$_{3}$. 19. What is the valency of Zinc? A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: B) 2. 20. How many valency electrons are in oxygen.$_{8}$O A) 5. B) 6. C) 7. D) None of the above. Show Answer Correct Answer: B) 6. 21. Symbol for hypoclorite is A) HClO. B) Cl2O. C) ClO. D) HClO2. Show Answer Correct Answer: C) ClO. 22. Which of these are NOT Divalent cations A) Magnesium. B) Potassium. C) Calcium. D) Zinc. Show Answer Correct Answer: B) Potassium. 23. Bromide is a ..... elements A) Divalent. B) Trivalent. C) Monovalent. D) Tetravalent. Show Answer Correct Answer: C) Monovalent. 24. The formula of calcium silicate is A) CaSiO$_{3}$. B) Ca$_{2}$SiO$_{3}$. C) Ca$_{3}$SiO$_{2}$. D) None of above. Show Answer Correct Answer: A) CaSiO$_{3}$. 25. The pizza smelled wonderful in the counter. A) Subject + complex transitive verb + direct object + objective complement. B) Subject + copular verb + subjective complement + optional adverbial. C) Subject + monotransitive verb + direct object + optional adverbial. D) Subject + intransitive verb + optional adverbial. Show Answer Correct Answer: B) Subject + copular verb + subjective complement + optional adverbial. 26. The correct chemical name of Na$_{2}$O is A) Sodium sulphide. B) Sodium hydroxide. C) Sodium oxide. D) Sodium hydrogen carbonate. Show Answer Correct Answer: C) Sodium oxide. 27. What charge does a potassium (K) ion have? A) +2. B) +1. C) -2. D) -1. Show Answer Correct Answer: B) +1. 28. The valence electron can A) Cannot interact in a chemical reaction. B) Can interact in a chemical reaction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can interact in a chemical reaction. 29. Which element or radical is positive Trivalent A) Dichromate. B) Sulphite. C) Nickel. D) Chromium. Show Answer Correct Answer: D) Chromium. 30. What is the valency of Iron [II]? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 31. Valency of sulphide radical is A) -2. B) +1. C) +2. D) -1. Show Answer Correct Answer: A) -2. 32. Anions are formed by ..... A) Non metals. B) Radicals. C) Noble gases. D) Metals. Show Answer Correct Answer: A) Non metals. 33. "Our parents are both lecturers of top universities." The word in italic is: A) Recipient. B) Theme. C) Actor. D) Associate. Show Answer Correct Answer: B) Theme. 34. The electronic configuration of chlorine is A) 2, 8, 7. B) 2, 8, 8, 7. C) 2, 7, 8. D) 2, 7. Show Answer Correct Answer: A) 2, 8, 7. 35. Oil is an example of a A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: B) Liquid. 36. Which one of the following elements has valence electrons in the n = 3 shell? A) Hydrogen. B) Beryllium. C) Silicon. D) Neon. Show Answer Correct Answer: C) Silicon. 37. The combining capacity of an atom is known as its A) VALENCY. B) REACTION. C) CHEMISTRY. D) VACANCY. Show Answer Correct Answer: A) VALENCY. 38. Which of the following element has valency 3? A) Thiosulphate. B) Phosphate. C) Nitrate. D) Sulphate. Show Answer Correct Answer: B) Phosphate. 39. An element with atomic number 16 has a valency of ..... A) +6. B) -2. C) -6. D) +2. Show Answer Correct Answer: B) -2. 40. What element has the chemical symbol-Mg? A) Molybdenum. B) Manganese. C) Magnesium. D) Mercury. Show Answer Correct Answer: C) Magnesium. 41. How many valence electrons are found in atoms of Radium? A) 1. B) 9. C) 7. D) 2. Show Answer Correct Answer: D) 2. 42. What is the name of ion that is present in all acids? A) Hydrogen ion. B) Hydroxide ion. C) Sulfate ion. D) Nitrate ion. Show Answer Correct Answer: A) Hydrogen ion. 43. What is the valency of carbon? A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: A) 4. 44. If K, L, M and N shells of an atom are full, the total number of electron in that atom are ..... A) 42. B) 36. C) 60. D) 26. Show Answer Correct Answer: B) 36. 45. Na+ has 12 neutrons and 10 electrons. Which of the following statements is correct? A) Na+ has an atomic number of 10 and mass number 22. B) Na+ has an atomic number of 11 and mass number 23. C) Na+ has an atomic number of 10 and mass number 23. D) Na+ has an atomic number of 11 and mass number 22. Show Answer Correct Answer: B) Na+ has an atomic number of 11 and mass number 23. 46. NaOH$_{ }$represents A) Sodium bicarbonate. B) Sodium carbonate. C) Sodium Chloride. D) Sodium Hydroxide. Show Answer Correct Answer: D) Sodium Hydroxide. 47. Symbol for plumbite is A) PbO2. B) Pb2O. C) PbO. D) None of the above. Show Answer Correct Answer: A) PbO2. 48. What is the valency of Magnesium? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 49. What are the elements which make up the formula Na$_{2}$CO$_{3}$? A) Nascium, Cobalt and Oxygen. B) Sodium, Copper and Osmium. C) Nitrogen, Carbon and Oxygen. D) Sodium, Carbon and Oxygen. Show Answer Correct Answer: D) Sodium, Carbon and Oxygen. 50. Which of the following is a divalent element? A) Lead. B) Gold. C) Sodium. D) Aluminium. Show Answer Correct Answer: A) Lead. 51. Cations have what type of charge? A) Positive. B) Negative. C) All the above. D) None of the above. Show Answer Correct Answer: A) Positive. 52. Variable valency of lead are A) +2, +3. B) +2, +4. C) +1, +2. D) +1, +3. Show Answer Correct Answer: B) +2, +4. 53. What is the valency of Calcium? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 54. Jack found his brother's behaviour deplorable. A) Subject + Complex Transitive Verb + Direct Object + Objective Complement. B) Subject + Monotransitive Verb +Direct object. C) Subject + Ditransitive Verb +Indirect Object + Direct Object. D) Subject + Copular Verb + Subjective Complement. Show Answer Correct Answer: A) Subject + Complex Transitive Verb + Direct Object + Objective Complement. 55. Calcium reacts with fluorine to form an ionic solid. The correct formula for this solid is ..... A) $CaF$. B) $Ca_2F$. C) $CaF_2$. D) $CaF_3$. Show Answer Correct Answer: C) $CaF_2$. 56. The cat is on the roof. A) Subject + Copular Verb + Subjective Complement. B) Subject + Intransitive Verb +Optional adverbial. C) Subject + Monotransitive Verb +Direct object. D) None of the above. Show Answer Correct Answer: A) Subject + Copular Verb + Subjective Complement. 57. What is the valency of Hydrogen? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 58. How many valence electrons are in an atom of Ba? A) 8. B) 4. C) 2. D) 1. Show Answer Correct Answer: C) 2. 59. The chemical symbol for Sodium is A) Nu. B) S. C) Na. D) Sd. Show Answer Correct Answer: C) Na. 60. Double headed arrows in chemical reactions indicate A) Reversible Reaction. B) Balanced chemical equation. C) Irreversible Reaction. D) Skeleton equation. Show Answer Correct Answer: A) Reversible Reaction. ← PreviousNext →Related QuizzesAdvanced QuizzesGrammar QuizzesValency Quiz 1Valency Quiz 2Valency Quiz 3Valency Quiz 5Valency Quiz 6Valency Quiz 7Valency Quiz 8Valency Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books