This quiz works best with JavaScript enabled. Home > Grammar > Advanced > Syntax > Valency – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Atmoic number of "nitrogen" A) 5. B) 7. C) 9. D) 20. Show Answer Correct Answer: B) 7. 2. Which one of these is NOT an Ideal Gas Assumption? A) Gas particles are hard, round spheres. B) Gas particles are strongly attracted to one another. C) Gas particles do not take up space. D) Gas particles collide perfectly elastically. Show Answer Correct Answer: B) Gas particles are strongly attracted to one another. 3. What's the chemical name of Natrium? A) Silicon. B) Sodium. C) Potassium. D) Magnesium. Show Answer Correct Answer: B) Sodium. 4. What is the molecular formula of sodium chloride? A) SoCl. B) SCl. C) Na$_{2}$Cl. D) NaCl. Show Answer Correct Answer: D) NaCl. 5. I am Helium. I have two electrons. My valency is A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: A) 0. 6. How many characters are there in free fire A) 32. B) 33. C) 34. D) 35. Show Answer Correct Answer: A) 32. 7. Symbol of Sodium is ..... A) S. B) Sd. C) Na. D) None of the above. Show Answer Correct Answer: C) Na. 8. What is affected in this sentence "The birthday cake fell from the table yesterday." A) The table. B) Fell. C) The birthday cake. D) Yesterday. Show Answer Correct Answer: C) The birthday cake. 9. If the atomic number of an element is 12 and its mass number is 24, how many neutrons are contained in the nucleus? A) 6. B) 12. C) 24. D) 8. Show Answer Correct Answer: C) 24. 10. Identify the element in Period 5 that has 1 valence electron? A) Rb. B) Nb. C) Ag. D) Sb. Show Answer Correct Answer: A) Rb. 11. The atom or group of atom carrying either positive or negative charges are commonly known as A) Cation. B) Anion. C) Valency. D) Radicals. Show Answer Correct Answer: D) Radicals. 12. What is the term for combining 2 or more DIFFERENT atoms together? A) Atoms. B) Elements. C) Molecules. D) Compounds. Show Answer Correct Answer: D) Compounds. 13. Acceptance of 3 electrons in a phosphorus atom results in the formation of ..... A) $P_{ }^{3-}$. B) $P^{5+}$. C) $P^{3+}$. D) $P^{5-}$. Show Answer Correct Answer: A) $P_{ }^{3-}$. 14. The charge present on phosphate radical is A) -3. B) -4. C) -2. D) -5. Show Answer Correct Answer: A) -3. 15. An anion is an atom or group of atoms with ..... charge. A) A negative. B) A positive. C) No. D) None of the above. Show Answer Correct Answer: A) A negative. 16. Monotransitive verbs need a direct object to be complete A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 17. What is the valency of Nitrogen (N)? A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: D) 3. 18. The chemical name of Mg$_{3}$N$_{2 }$is A) Magnesium dinitiride. B) Trimagnesium nitride. C) Magnesium nitride. D) Trimagnesium nitrogen. Show Answer Correct Answer: C) Magnesium nitride. 19. How many elements are in C$_{6}$H$_{12}$O$_{6}$? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 20. Atomic number A) Number of protons/stands for an element. B) Number of neutrons. C) Number of electrons. D) Number of protons and neutrons. Show Answer Correct Answer: A) Number of protons/stands for an element. 21. What is the valency of Iron [III]? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 22. Ferric is also known as A) Iron (II). B) Zinc (III). C) Iron (III). D) Tin (II). Show Answer Correct Answer: C) Iron (III). 23. What is the formula of phosphorus chloride? A) P$_{5}$Cl$_{7}$. B) PCl. C) Cl$_{7}$P$_{5}$. D) PCl$_{3}$. Show Answer Correct Answer: D) PCl$_{3}$. 24. What is the valency of lead? A) 1, 2. B) 5, 7. C) 2, 4. D) 1, 4. Show Answer Correct Answer: C) 2, 4. 25. The valence electrons of an atom are present inwhich shell of the following A) Innermost shell. B) Outermost shell. C) Middle shell. D) Any shell of the atom. Show Answer Correct Answer: B) Outermost shell. ← 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