This quiz works best with JavaScript enabled. Home > Grammar > Advanced > Syntax > Valency – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the valency of Phosphate? A) -1. B) -2. C) -3. D) +3. Show Answer Correct Answer: C) -3. 2. What is the valency of Calcium (Ca) A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 3. Which of the following is a Divalent Anion? A) Chloride. B) Sulfate. C) Nitrate. D) Phosphate. Show Answer Correct Answer: B) Sulfate. 4. Valency of Potassium is ..... A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 5. What is the charge of a sodium ion? A) +2. B) +1. C) -1. D) -2. Show Answer Correct Answer: B) +1. 6. The symbol of ammonium radical is ..... A) CO$_{3}$$^{2-}$. B) SO$_{4}$$^{2-}$. C) NH$_{4}$$^{+}$. D) NO$_{3}$$^{-}$. Show Answer Correct Answer: C) NH$_{4}$$^{+}$. 7. Write name of NaCl A) Soda Chloro. B) Sodium Carbide. C) Sodium Chloride. D) Sodium Cyanide. Show Answer Correct Answer: C) Sodium Chloride. 8. Sodium ion (Select the correct charge) A) +1. B) +2. C) +3. D) None of the above. Show Answer Correct Answer: A) +1. 9. Which of the following forms a trivalent cation? A) Aluminium. B) Lithium. C) Nickel. D) Cobalt. Show Answer Correct Answer: A) Aluminium. 10. Which of the following elements have a valency of 5? A) Elements of group 15 (according to the new numbering system) or group VA (according to the old numbering system). B) Elements of group 7. C) Elements of group 18. D) Elements of group 2. Show Answer Correct Answer: A) Elements of group 15 (according to the new numbering system) or group VA (according to the old numbering system). 11. Are particles of matter always in motion? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 12. Nitrogen (N$_{2}$) is an example of ..... A) Monoatomic molecules. B) Diatomic molecules. C) Triatomic molecules. D) Polyatomic molecules. Show Answer Correct Answer: B) Diatomic molecules. 13. Symbol of Nitrogen A) K. B) N. C) M. D) None of the above. Show Answer Correct Answer: B) N. 14. Aluminium + Fluorine = A) AlF. B) AlF$_{3}$. C) Al$_{2}$F. D) AlF$_{7}$. Show Answer Correct Answer: B) AlF$_{3}$. 15. Name that IonLi+ A) Copper (III). B) Lithium. C) Ladmium. D) Iodine. Show Answer Correct Answer: B) Lithium. 16. What type of bonding occurs between Magnesium metal and Oxygen gas? A) Ionic Bonding. B) Hydrogen Bonding. C) Magnetic Forces. D) Covalent Bonding. Show Answer Correct Answer: A) Ionic Bonding. 17. Chlorine A) 0. B) 2. C) 1. D) None of the above. Show Answer Correct Answer: C) 1. 18. The number of valence ..... in an atom of an element is related to the element's group number in the periodic table. A) Electrons. B) Protons. C) Neutrons. D) None of the above. Show Answer Correct Answer: A) Electrons. 19. The chloride ion has the same electronic configuration as ..... A) Neon. B) Helium. C) Argon. D) Nitrogen. Show Answer Correct Answer: C) Argon. 20. Valency of an element depends upon A) No. Of shells. B) No.of valence electrons. C) No.of isotopes. D) No.of neutrons. Show Answer Correct Answer: B) No.of valence electrons. 21. Barium ion (Select the correct charge) A) +1. B) +2. C) +3. D) None of the above. Show Answer Correct Answer: B) +2. 22. Anions have which type of charge? A) Positive. B) Negative. C) All the above. D) None of the above. Show Answer Correct Answer: B) Negative. 23. Formula of baking soda A) NaHCO3. B) Nacl. C) H2SO4. D) None of the above. Show Answer Correct Answer: A) NaHCO3. 24. Helium A) 2. B) 1. C) 0. D) None of the above. Show Answer Correct Answer: C) 0. 25. What is the formula for a magnesium ion? A) Mg+. B) Mg$^{2+}$. C) Mg$^{2-}$. D) Mg$^{-}$. Show Answer Correct Answer: B) Mg$^{2+}$. 26. Symbol of Potassium A) P. B) Pu. C) Po. D) K. Show Answer Correct Answer: D) K. 27. What is the valency of Nitrate? A) -1. B) -2. C) -3. D) +1. Show Answer Correct Answer: A) -1. 28. Valency of Aluminium is ..... A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: C) 3. 29. Valency of Li is A) +1. B) -1. C) +2. D) -2. Show Answer Correct Answer: A) +1. 30. Calcium A) 2.4. B) 3. C) 4. D) 2. Show Answer Correct Answer: D) 2. ← PreviousNext →Related QuizzesAdvanced QuizzesGrammar QuizzesValency Quiz 1Valency Quiz 3Valency Quiz 4Valency Quiz 5Valency Quiz 6Valency Quiz 7Valency Quiz 8Valency Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books