This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Syntax > Valency – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 11 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Valency of "Lithium" A) $1$. B) $2$. C) $1^+$. D) $0$. Show Answer Correct Answer: C) $1^+$. 2. Which of the following has valency 3? A) Phosphate. B) Thiosulphate. C) Sulphate. D) Nitrate. Show Answer Correct Answer: A) Phosphate. 3. All matter is made of what A) Atoms. B) Electrons. C) Compounds. D) Energy. Show Answer Correct Answer: A) Atoms. 4. As a material is heated, it's particles ..... A) Get smaller. B) Slow down. C) Get cooler. D) Move more quickly. Show Answer Correct Answer: D) Move more quickly. 5. The chemical name of the compound Na$_{2}$S$_{2}$O$_{3}$ A) Disodiumsulphideoxide. B) Sodiumdisulphidetrisulphide. C) Sodium thiosulphate. D) Sodium sulphate. Show Answer Correct Answer: C) Sodium thiosulphate. 6. A positively charged object and a neutral object will ..... A) Attract. B) Implode. C) Not experience an electric force. D) Repel. Show Answer Correct Answer: A) Attract. 7. Which group has the greatest number of valence electrons? A) 14. B) 1. C) 16. D) 18. Show Answer Correct Answer: D) 18. 8. Valency of dichromate is A) +2. B) -1. C) +1. D) -2. Show Answer Correct Answer: D) -2. 9. The formula of sodium carbonate is A) NaCO$_{3}$. B) Na(CO$_{3}$)$_{2}$. C) Na$_{2}$CO$_{3}$. D) None of the above. Show Answer Correct Answer: C) Na$_{2}$CO$_{3}$. 10. A subatomic particle that has a negative charge A) Atom. B) Neutron. C) Electron. D) Quark. E) Proton. Show Answer Correct Answer: C) Electron. 11. Which problem is balanced? A) SO$_{2}$ + H$_{2}$0 $\rightarrow$ H$_{2}$SO$_{4}$. B) PbO$_{2}$ + 2H$_{2}$$\rightarrow$ H$_{2}$SO$_{4}$. C) 2Na + 2H$_{2}$O $\rightarrow$ 2NaOH + H$_{2}$. D) 2Na + 2H$_{2}$O $\rightarrow$ 2NaOH + H. Show Answer Correct Answer: C) 2Na + 2H$_{2}$O $\rightarrow$ 2NaOH + H$_{2}$. 12. Determine the valency of chlorine in HCl. A) 2. B) 4. C) 3. D) 1. Show Answer Correct Answer: D) 1. 13. The capacity of the M shell is ..... , but in Potassium, the M shell holds ..... electrons. A) 18 electrons, 8. B) 32 electrons, 18. C) 2 electrons, 8. D) 8 electrons, 18. Show Answer Correct Answer: A) 18 electrons, 8. 14. What is the chemical formula of Magnesium chloride? A) MgCl. B) MgC$_{2 }$. C) MgCl$_{2}$. D) MgC. Show Answer Correct Answer: C) MgCl$_{2}$. 15. The name of KHCO$_{3}$ is A) Potassium carbonate. B) Potassium hydrogencarbonate. C) All the above. D) None of the above. Show Answer Correct Answer: B) Potassium hydrogencarbonate. 16. I am an important element needed for the survival of all the organisms. I have 8 electrons. My valency is A) 0. B) 3. C) 2. D) 1. Show Answer Correct Answer: C) 2. 17. Valency of nitride is A) -1. B) -3. C) -4. D) -2. Show Answer Correct Answer: B) -3. 18. The innermost energy level has a maximum of how many electrons? A) 1. B) 8. C) 2. D) 6. Show Answer Correct Answer: C) 2. 19. NaHCO$_{3 }$represents A) Sodium Chloride. B) Sodium bicarbonate. C) Sodium carbonate. D) Calcium Carbonate. Show Answer Correct Answer: B) Sodium bicarbonate. 20. What is the electronic configuration of oxygen according to Bohr's model? A) 2-4. B) 2-6. C) 2-2. D) 2-8. Show Answer Correct Answer: B) 2-6. 21. What is the name of this ion? SO$_{4}$$^{2-}$ A) Sulfur tetroxide ion. B) Sulfate. C) Sulfide. D) Sulfonate. Show Answer Correct Answer: B) Sulfate. 22. How many valence electrons are in an atom of Se? A) 5. B) 6. C) 8. D) 2. Show Answer Correct Answer: B) 6. 23. What happens when water evaporates? A) Particles of the water vapour lose energy to their surroundings. B) Particles of the water vapour are spaced further apart. C) The speed of the particles of the water increases. D) The temperature of the remaining water rises. Show Answer Correct Answer: B) Particles of the water vapour are spaced further apart. 24. 'Si' is the symbol of ..... element. A) Sulphur. B) Silicon. C) Silver. D) None of the above. Show Answer Correct Answer: B) Silicon. 25. What is the definition of valency? A) The combining capacity of an element. B) The number of electrons in an atom. C) The number of neutrons in an atom. D) The number of protons in an atom. Show Answer Correct Answer: A) The combining capacity of an element. 26. Which of the following is an electropositive trivalent ion? A) Chromium. B) Cobalt. C) Magnesium. D) Nickel. Show Answer Correct Answer: A) Chromium. 27. What is the valency of Lithium? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 28. "I went home early yesterday." The word in italic is: A) Agent. B) Goal. C) Theme. D) Location. Show Answer Correct Answer: D) Location. 29. True or False:Law of conservation of energy states that matter can neither be created nor destroyed A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 30. Number of valency in Manganic A) 2-. B) 4+. C) 4-. D) 3+. Show Answer Correct Answer: B) 4+. ← 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