This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Advanced > Syntax > Valency – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 2 (60 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) Phosphorus, sulfur, chlorine. B) Carbon, oxygen, nitrogen. C) Lithium, sodium, potassium, rubidium, cesium, francium. D) Iron, copper, zinc. Show Answer Correct Answer: C) Lithium, sodium, potassium, rubidium, cesium, francium. 2. What does octet mean? A) Having 2 electron in its outer most orbit. B) Having 2 electron in first orbit. C) Having 8 electron in second orbit. D) Having 8 electron in its outer most orbit. Show Answer Correct Answer: D) 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) 2. B) 0. 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) Phosphate. B) Chloride. C) Carbonate. D) Sulfate. Show Answer Correct Answer: B) Chloride. 8. Aluminium hydroxide A) Al(OH)$_{3}$. B) Al(OH)$_{2}$. C) AlOH. D) Al$_{2}$(OH)$_{3}$. Show Answer Correct Answer: A) Al(OH)$_{3}$. 9. Which of the following is the symbol of the element silver? A) Al. B) Au. C) Ag. D) Hg. Show Answer Correct Answer: C) Ag. 10. The grandfather's clock sounded loud. A) Copular. B) Monotransitive. C) Ditransitive. D) Complex Transitive. E) Intransitive. Show Answer Correct Answer: A) Copular. 11. Fe$^{ }$(III)$^{ }$+ N$^{ }$(III) A) FeN. B) Fen. C) Nef. D) Fen. Show Answer Correct Answer: A) FeN. 12. Symbol of lead is ..... A) Ag. B) Le. C) Pb. D) None of the above. Show Answer Correct Answer: C) Pb. 13. What is the charge of Iron(III) A) +1. B) +3. C) +4. D) +2. Show Answer Correct Answer: B) +3. 14. Something that goes from liquid to gas is ..... A) Melting. B) Sublimation. C) Freezing. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 15. Valency of zincate is A) +2. B) +1. C) -1. D) -2. Show Answer Correct Answer: D) -2. 16. Cations are ..... that form ..... ions and ..... electrons. A) Nonmetals, positive, lose. B) Nonmetals, negative, gain. C) Metals, positive, gain. D) Metals, positive, lose. Show Answer Correct Answer: D) Metals, positive, lose. 17. 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). 18. How many Oxygen atoms are in Ca(NO$_{3}$)$_{2}$ A) 2. B) 3. C) 5. D) 6. Show Answer Correct Answer: D) 6. 19. I have 13 electrons. What is my valency? A) 3. B) 2. C) 4. D) 1. Show Answer Correct Answer: A) 3. 20. Choose the particle that has no charge. A) Electron. B) Proton. C) Neutron. D) Nucleus. Show Answer Correct Answer: C) Neutron. 21. The chemical symbol for calcium is A) Ca. B) Cl. C) Ce. D) Cu. Show Answer Correct Answer: A) Ca. 22. Potassium valency is A) 0. B) +2. C) -1. D) +1. Show Answer Correct Answer: D) +1. 23. 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. 24. Symbol of "iron" A) Fe. B) Ir. C) Pb. D) Fe. Show Answer Correct Answer: A) Fe. 25. What is the charge of Fe (I) A) -1. B) +2. C) -2. D) +1. Show Answer Correct Answer: D) +1. 26. Symbol for phosphite is A) PO4. B) PO3. C) P4. D) P3. Show Answer Correct Answer: B) PO3. 27. In the modern periodic table elements are arranged by: A) Atomic number. B) Valence electrons. C) Number of isotopes. D) Atomic mass. Show Answer Correct Answer: A) Atomic number. 28. The chemical symbol for Iron A) Fe. B) Fn. C) I. D) Zn. Show Answer Correct Answer: A) Fe. 29. Symbol for permanganate is A) K2Cr2O7. B) Mn4O. C) MnO4. D) CrO7. Show Answer Correct Answer: C) MnO4. 30. The valency of which of these elements is NOT '4'? A) Carbon. B) Oxygen. C) Fluorine. D) None of the above. Show Answer Correct Answer: B) Oxygen. 31. Which of the following elements has a negative valency? A) He. B) Pb. C) Cu. D) S. Show Answer Correct Answer: D) S. 32. The electrons involved in chemical bonds are called ..... electrons. A) Van Der Waals. B) Ionic. C) Covalent. D) Valence. Show Answer Correct Answer: D) Valence. 33. How many orbitals are in the f sublevel A) 3. B) 5. C) 7. D) 1. Show Answer Correct Answer: C) 7. 34. The amount of energy needed to change a material from a solid to a liquid state. A) Heat of Vaporization. B) Heat of Liquids. C) Heat of Fusion. D) Heat of Solids. Show Answer Correct Answer: C) Heat of Fusion. 35. The particles that are found in the nucleus of an atom are A) Neutrons and electrons. B) Electrons only. C) Protons and neutrons. D) Protons and electrons. Show Answer Correct Answer: C) Protons and neutrons. 36. Name the elements present in Ammonia A) Nitrogen. B) Hydrogen. C) Both nitrogen and hydrogen. D) None of the above. Show Answer Correct Answer: C) Both nitrogen and hydrogen. 37. What is the valency of Copper [II]? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 38. Valence electrons in Neon is A) 0. B) 6. C) 8. D) 2. Show Answer Correct Answer: C) 8. 39. Valency of Hydroxide A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: A) 1. 40. Fluorine is in Group 7. It has seven electrons on its outer shell. What is its valency? A) 7. B) 1. C) 5. D) 2. Show Answer Correct Answer: B) 1. 41. Anions are ..... that form ..... ions and ..... electrons. A) Nonmetals, negative, gain. B) Nonmetals, positive, lose. C) Metals, positive, lose. D) Metals, positive, gain. Show Answer Correct Answer: A) Nonmetals, negative, gain. 42. Hg is the chemical symbol for A) Silver. B) Potassium. C) Lead. D) Mercury. Show Answer Correct Answer: D) Mercury. 43. Calculate the valency of magnesium. A) 2. B) 3. C) 1. D) 4. Show Answer Correct Answer: A) 2. 44. All the properties of ionic compounds are correct EXCEPT: A) Force of attraction between a cation and an anion. B) Cation is positive and anion is negative. C) Electrons are shared between the molecules. D) Metals lose electrons which are gained by the non-metals. Show Answer Correct Answer: C) Electrons are shared between the molecules. 45. If an ion gains an electron, it becomes A) Stable. B) Positive. C) Negative. D) Atomic. Show Answer Correct Answer: C) Negative. 46. Which of the following is a tetravalent element? A) Nitrogen. B) Hydrogen. C) Carbon. D) Oxygen. Show Answer Correct Answer: C) Carbon. 47. Valency of lithium is A) 3. B) 2. C) 1. D) 4. Show Answer Correct Answer: C) 1. 48. The formula of iron(II) hydroxide is A) Fe(OH)$_{2}$. B) FeOH$_{2}$. C) Fe(OH)$_{3}$. D) FeOH. Show Answer Correct Answer: A) Fe(OH)$_{2}$. 49. Calculate the valency of nitrogen in NH3. A) 2. B) 1. C) 4. D) 3. Show Answer Correct Answer: D) 3. 50. Which of the following is a p block element? A) Re. B) Au. C) Ca. D) Ar. Show Answer Correct Answer: D) Ar. 51. The smallest particle of a substance is ..... A) Molecule. B) Element. C) Atom. D) Compound. Show Answer Correct Answer: C) Atom. 52. What is the chemical formula of sodium sulfate? A) Na$_{2}$SO$_{4}$. B) SoSO$_{4}$. C) SSO$_{4}$. D) NaSO$_{4}$. Show Answer Correct Answer: A) Na$_{2}$SO$_{4}$. 53. Molecules are closest together in a A) Solid. B) Liquid. C) Gas. D) Plasma. Show Answer Correct Answer: A) Solid. 54. What are the elements known as the 'superheroes' of the periodic table with a valency of 8? A) Halogens. B) Alkaline earth metals. C) Alkali metals. D) Noble gases. Show Answer Correct Answer: D) Noble gases. 55. A molecule of a compound is electrically ..... A) Negative. B) Positive. C) Either a) or b). D) Neutral. Show Answer Correct Answer: D) Neutral. 56. What is the atomic number of carbon? A) 5. B) 6. C) 12. D) 7. Show Answer Correct Answer: B) 6. 57. How many valence electrons are found in atoms of group 14? A) 3. B) 16. C) 4. D) 14. Show Answer Correct Answer: C) 4. 58. What is the valency of Chlorine (Cl)? A) 3. B) 0. C) 2. D) 1. Show Answer Correct Answer: D) 1. 59. When an atom gains a valence electron, it becomes a(n) ..... ion. A) Positive. B) Negative. C) Neutral. D) None of the above. Show Answer Correct Answer: B) Negative. 60. What is the valency of Gold in its auric form? A) 2. B) 4. C) 3. D) 1. 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