This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Syntax > Valency – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following elements are known as the 'Alkali Metals' and have a valency of 1? A) Lithium, sodium, potassium, rubidium, cesium, francium. B) Phosphorus, sulfur, chlorine. C) Iron, copper, zinc. D) Carbon, oxygen, nitrogen. Show Answer Correct Answer: A) Lithium, sodium, potassium, rubidium, cesium, francium. 2. What does octet mean? A) Having 8 electron in its outer most orbit. B) Having 8 electron in second orbit. C) Having 2 electron in its outer most orbit. D) Having 2 electron in first orbit. Show Answer Correct Answer: A) Having 8 electron in its outer most orbit. 3. Nitrate ion contains A) Nitrogen and oxygen. B) Nitrogen only. C) Nitrogen, hydrogen and oxygen. D) Sodium and nitrogen. Show Answer Correct Answer: A) Nitrogen and oxygen. 4. Which subatomic particle has a positive charge? A) Proton. B) Neutron. C) Electron. D) None of the above. Show Answer Correct Answer: A) Proton. 5. What is the valency of sodium in NaCl? A) 0. B) 2. C) -1. D) +1. Show Answer Correct Answer: D) +1. 6. Chemical formula of copper sulphate A) CuSO$_{4}$. B) Cu$_{2}$SO$_{4}$. C) CuSO$_{3}$. D) None of these. Show Answer Correct Answer: A) CuSO$_{4}$. 7. Which of the following is a negative ion with a valency of 1? A) Sulfate. B) Phosphate. C) Chloride. D) Carbonate. Show Answer Correct Answer: C) Chloride. 8. Which of the following elements have a valency of 2? A) Oxygen, nitrogen, hydrogen. B) Iron, copper, lead. C) Magnesium, calcium, zinc, strontium, barium and radium. D) Carbon, phosphorus, sulfur. Show Answer Correct Answer: C) Magnesium, calcium, zinc, strontium, barium and radium. 9. Aluminium hydroxide A) Al(OH)$_{3}$. B) AlOH. C) Al(OH)$_{2}$. D) Al$_{2}$(OH)$_{3}$. Show Answer Correct Answer: A) Al(OH)$_{3}$. 10. Which of the following is the symbol of the element silver? A) Au. B) Al. C) Ag. D) Hg. Show Answer Correct Answer: C) Ag. 11. The grandfather's clock sounded loud. A) Ditransitive. B) Monotransitive. C) Intransitive. D) Complex Transitive. E) Copular. Show Answer Correct Answer: E) Copular. 12. Fe$^{ }$(III)$^{ }$+ N$^{ }$(III) A) Fen. B) Nef. C) FeN. D) Fen. Show Answer Correct Answer: C) FeN. 13. Symbol of lead is ..... A) Ag. B) Le. C) Pb. D) None of the above. Show Answer Correct Answer: C) Pb. 14. What is the charge of Iron(III) A) +2. B) +3. C) +1. D) +4. Show Answer Correct Answer: B) +3. 15. Something that goes from liquid to gas is ..... A) Melting. B) Evaporation. C) Sublimation. D) Freezing. Show Answer Correct Answer: B) Evaporation. 16. Valency of zincate is A) -1. B) +2. C) +1. D) -2. Show Answer Correct Answer: D) -2. 17. Cations are ..... that form ..... ions and ..... electrons. A) Nonmetals, positive, lose. B) Metals, positive, gain. C) Metals, positive, lose. D) Nonmetals, negative, gain. Show Answer Correct Answer: C) Metals, positive, lose. 18. Which element gains 2 valence electrons to form a stable bond? A) Chlorine (Cl). B) Oxygen (O). C) Hydrogen (H). D) Sodium (Na). Show Answer Correct Answer: B) Oxygen (O). 19. How many Oxygen atoms are in Ca(NO$_{3}$)$_{2}$ A) 3. B) 5. C) 6. D) 2. Show Answer Correct Answer: C) 6. 20. I have 13 electrons. What is my valency? A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: A) 3. 21. Choose the particle that has no charge. A) Nucleus. B) Proton. C) Electron. D) Neutron. Show Answer Correct Answer: D) Neutron. 22. The chemical symbol for calcium is A) Ca. B) Ce. C) Cl. D) Cu. Show Answer Correct Answer: A) Ca. 23. Potassium valency is A) +1. B) 0. C) +2. D) -1. Show Answer Correct Answer: A) +1. 24. Which one has the higher valency? A) Ferrous. B) Ferric. C) All the above. D) None of the above. Show Answer Correct Answer: B) Ferric. 25. Symbol of "iron" A) Pb. B) Fe. C) Ir. D) Fe. Show Answer Correct Answer: B) Fe. 26. What is the charge of Fe (I) A) -1. B) -2. C) +1. D) +2. Show Answer Correct Answer: C) +1. 27. Symbol for phosphite is A) PO3. B) PO4. C) P3. D) P4. Show Answer Correct Answer: A) PO3. 28. In the modern periodic table elements are arranged by: A) Atomic number. B) Number of isotopes. C) Atomic mass. D) Valence electrons. Show Answer Correct Answer: A) Atomic number. 29. The chemical symbol for Iron A) Fn. B) Fe. C) Zn. D) I. Show Answer Correct Answer: B) Fe. 30. Symbol for permanganate is A) CrO7. B) Mn4O. C) K2Cr2O7. D) MnO4. Show Answer Correct Answer: D) MnO4. ← PreviousNext →Related QuizzesAdvanced QuizzesGrammar QuizzesValency Quiz 1Valency Quiz 2Valency Quiz 4Valency Quiz 5Valency Quiz 6Valency Quiz 7Valency Quiz 8Valency Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books