This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Syntax > Valency – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 14 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of ..... A) 11. B) 8. C) 5. D) 3. Show Answer Correct Answer: C) 5. 2. How is valency determined for elements? A) By the number of protons in the nucleus. B) Based on the color of the element. C) According to the atomic mass of the element. D) Based on the number of electrons an element needs to gain, lose, or share to achieve a full outer shell. Show Answer Correct Answer: D) Based on the number of electrons an element needs to gain, lose, or share to achieve a full outer shell. 3. What is the valency of Sulphate? A) -3. B) +2. C) -2. D) -1. Show Answer Correct Answer: C) -2. 4. Balance this equation ..... Mg + ..... Cl$_{2 }$$\rightarrow$ ..... MgCl$_{2}$ A) 1, 1, 2. B) 1, 2, 1. C) Already balanced. D) 2, 1, 1. Show Answer Correct Answer: C) Already balanced. 5. Copper(II) has an ionic charge of A) Neutral. B) +1. C) -3. D) +2. Show Answer Correct Answer: D) +2. 6. The no. Of valence electrons determines A) Chemical reactivity of an atom. B) Density of an atom. C) Atomic mass. D) Number of protons present. Show Answer Correct Answer: A) Chemical reactivity of an atom. 7. What is Atomic Mass Number? A) Number of Protons. B) Number of Neutrons. C) Number of Protons and Neutrons. D) Number of Protons and Electrons. Show Answer Correct Answer: C) Number of Protons and Neutrons. 8. A chemical equation does not provide information about A) Reactants. B) Products. C) Volumes of reactants and products. D) Rates of chemical reaction. Show Answer Correct Answer: D) Rates of chemical reaction. 9. Formula of "glucose" A) $C_6H_{16}O_6$. B) $C_6H_{12}O_{ }$. C) $Ca_6He_{12}Oz_6$. D) $C_{12}H_{22}O_{11}$. Show Answer Correct Answer: A) $C_6H_{16}O_6$. 10. Betsy plays golf with her father every weekend. A) Ditransitive. B) Complex transitive. C) Monotransitive. D) Copular. E) Intransitive. Show Answer Correct Answer: C) Monotransitive. 11. Which of the following compound is not an acid? A) CH$_{4}$. B) HCl. C) HNO$_{3}$. D) H$_{2}$SO$_{4}$. Show Answer Correct Answer: A) CH$_{4}$. 12. Oxide ion (Select the correct charge) A) -1. B) -2. C) -3. D) None of the above. Show Answer Correct Answer: B) -2. 13. 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. 14. 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. 15. 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. 16. 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. 17. "She works as an instructor." The word in italic is: A) Actor. B) Theme. C) Effect. D) Associate. Show Answer Correct Answer: D) Associate. 18. 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. 19. Phosphate ion (Select the correct charge) A) -1. B) -2. C) -3. D) None of the above. Show Answer Correct Answer: C) -3. 20. What is the electronic configuration of neon according to Bohr's model? A) 2, 8. B) 2, 7. C) 2, 9. D) 2, 10. Show Answer Correct Answer: A) 2, 8. 21. What is "the change in the condition of the entity named by the argument" ? A) Event. B) Place. C) Theme. D) Action. Show Answer Correct Answer: A) Event. 22. 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. 23. Explain the relationship between atomic number and electrons. A) Electrons are not related to the atomic number in any way. B) The atomic number is equal to the number of neutrons in a neutral atom. C) The atomic number is the total number of protons in an atom. D) The atomic number is equal to the number of electrons in a neutral atom. Show Answer Correct Answer: D) The atomic number is equal to the number of electrons in a neutral atom. 24. Which ion has a valency of 3? A) Chlorate. B) Nitrate. C) Sulfate. D) Nitride. Show Answer Correct Answer: D) Nitride. 25. The molecular formula of the compound aluminium sulphate is A) Al(SO$_{4}$)$_{3}$. B) Al$_{2}$(SO$_{3}$)$_{3}$. C) Al$_{2}$(SO$_{4}$)$_{3}$. D) Al$_{2}$S$_{3}$. Show Answer Correct Answer: C) Al$_{2}$(SO$_{4}$)$_{3}$. 26. 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. 27. Which is the correct formula for:three hydrogen (H)one sulfur (S)four oxygen (O) A) H$_{2}$O. B) H$_{3}$SO$_{4}$. C) H$_{4}$S$_{3}$O. D) HSO$_{4}$. Show Answer Correct Answer: B) H$_{3}$SO$_{4}$. 28. In H3PO3, what is valency of PO3? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 29. What is the name of this chemical, H$_{2}$SO$_{4}$? A) Sulfate hydrogen. B) Sulfate. C) Hydrogen sulfate. D) Sulfuric acid. Show Answer Correct Answer: D) Sulfuric acid. 30. The valency of hydroxide (OH) radical is A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: B) 1. ← 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