This quiz works best with JavaScript enabled. Home > Grammar > Advanced > Syntax > Valency – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Lithium A) 0. B) 2. C) 1. D) None of the above. Show Answer Correct Answer: C) 1. 2. Which of the following compound is not an acid? A) HCl. B) H$_{2}$SO$_{4}$. C) HNO$_{3}$. D) CH$_{4}$. Show Answer Correct Answer: D) CH$_{4}$. 3. Oxide ion (Select the correct charge) A) -1. B) -2. C) -3. D) None of the above. Show Answer Correct Answer: B) -2. 4. Fluorine A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: C) 1. 5. Which of the following statements about the particle of a gas is true? A) Gases can be compressed because their particles are smaller than those of liquids or solids. B) Gases can be compressed because there is plenty of space between their particles. C) Gases can be compressed because they have low boiling points. D) Gases can be compressed because their particles are more elastic than those of liquids or solids. Show Answer Correct Answer: B) Gases can be compressed because there is plenty of space between their particles. 6. A symbol represents ..... A) One molecule of an element. B) One ion of an element. C) One atom of an element. D) Atomic number of an element. Show Answer Correct Answer: C) One atom of an element. 7. Waves with a large wavelength have a ..... frequency A) High. B) Low. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low. 8. If an atom has 8 valence electrons, it is said to be A) Not reactive, not stable. B) Reactive, Not stable. C) Not reactive, Stable. D) None of the above. Show Answer Correct Answer: C) Not reactive, Stable. 9. "She works as an instructor." The word in italic is: A) Theme. B) Actor. C) Associate. D) Effect. Show Answer Correct Answer: C) Associate. 10. What is the mass number defined as? A) The number of protons. B) The number of protons and neutrons. C) The number of neutrons. D) The number of protons and electrons. Show Answer Correct Answer: B) The number of protons and neutrons. 11. Phosphate ion (Select the correct charge) A) -1. B) -2. C) -3. D) None of the above. Show Answer Correct Answer: C) -3. 12. What is the electronic configuration of neon according to Bohr's model? A) 2, 10. B) 2, 7. C) 2, 8. D) 2, 9. Show Answer Correct Answer: C) 2, 8. 13. What is "the change in the condition of the entity named by the argument" ? A) Action. B) Theme. C) Event. D) Place. Show Answer Correct Answer: C) Event. 14. The number of electrons exchanged, lost or obtained by an atom during a chemical reaction is referred to as A) ATOMIC NUMBER. B) MASS NUMBER. C) VALENCY. D) NONE OF THE ABOVE. Show Answer Correct Answer: C) VALENCY. 15. Explain the relationship between atomic number and electrons. A) The atomic number is the total number of protons in an atom. B) The atomic number is equal to the number of electrons in a neutral atom. C) Electrons are not related to the atomic number in any way. D) The atomic number is equal to the number of neutrons in a neutral atom. Show Answer Correct Answer: B) The atomic number is equal to the number of electrons in a neutral atom. 16. Which ion has a valency of 3? A) Nitrate. B) Nitride. C) Sulfate. D) Chlorate. Show Answer Correct Answer: B) Nitride. 17. The molecular formula of the compound aluminium sulphate is A) Al(SO$_{4}$)$_{3}$. B) Al$_{2}$S$_{3}$. C) Al$_{2}$(SO$_{3}$)$_{3}$. D) Al$_{2}$(SO$_{4}$)$_{3}$. Show Answer Correct Answer: D) Al$_{2}$(SO$_{4}$)$_{3}$. 18. Complex transitive verbs are followed by a direct and an indirect object A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Which is the correct formula for:three hydrogen (H)one sulfur (S)four oxygen (O) A) H$_{3}$SO$_{4}$. B) HSO$_{4}$. C) H$_{4}$S$_{3}$O. D) H$_{2}$O. Show Answer Correct Answer: A) H$_{3}$SO$_{4}$. 20. In H3PO3, what is valency of PO3? A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: B) 3. 21. What is the name of this chemical, H$_{2}$SO$_{4}$? A) Hydrogen sulfate. B) Sulfuric acid. C) Sulfate. D) Sulfate hydrogen. Show Answer Correct Answer: B) Sulfuric acid. 22. Zinc ion A) +1. B) +2. C) +3. D) None of the above. Show Answer Correct Answer: B) +2. 23. The valency of hydroxide (OH) radical is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 24. Which of the following groups of elements have a valency of 3? A) Carbon (C), Silicon (Si), Selenium (Se). B) Oxygen (O), Fluorine (F), Chlorine (Cl). C) Iron (Fe), Manganese (Mn), Cobalt (Co). D) Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), Thallium (Tl). Show Answer Correct Answer: D) Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), Thallium (Tl). 25. Which element symbol is B? A) Boron. B) Beryllium. C) Barium. D) Bhorium. Show Answer Correct Answer: A) Boron. ← PreviousNext →Related QuizzesAdvanced QuizzesGrammar QuizzesValency Quiz 1Valency Quiz 2Valency Quiz 3Valency Quiz 4Valency Quiz 5Valency Quiz 6Valency Quiz 7Valency Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books