This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What comes between? Magnesium ..... Silicon. A) Phosphorus. B) Sodium. C) Aluminium. D) Argon. Show Answer Correct Answer: C) Aluminium. 2. A hydrogen atom (ionisation potential 13.6 eV) makes a transition from third excited state to first excited state. The energy of the photon emitted in the process is A) 1.89 eV. B) 2.55 eV. C) 12.09 eV. D) 12.75 eV. Show Answer Correct Answer: B) 2.55 eV. 3. Rutherford experimented with ..... A) Gold foil and alpha particles. B) Cathode rays and alpha particles. C) Electron and alpha particles. D) Gold foil and cathode rays. Show Answer Correct Answer: A) Gold foil and alpha particles. 4. Which of the following expressions gives the de-Brogiie relationship? A) $\lambda$ = h / mv. B) P = h / mv. C) $\lambda$ = h / mp. D) $\lambda$ = h / m. Show Answer Correct Answer: A) $\lambda$ = h / mv. 5. In a neutral atom, what is the number of protons equal to? A) The number of electrons. B) The number of neutrons. C) The number of molecules. D) The number of nuclei. Show Answer Correct Answer: A) The number of electrons. 6. Drawback of JJ Thompson? A) Protons and electrons mixed together. B) Absence of neutrons. C) No practical proof. D) All the above. Show Answer Correct Answer: D) All the above. 7. What is the charge of an atom A) Positive. B) Neutral. C) Negative. D) Positive or negative. Show Answer Correct Answer: B) Neutral. 8. Name the scientist known as the father of the Modern Atomic Theory who proposed his theory in 1808. A) John Dalton. B) Max Plank. C) J J Thomson. D) Rutherford. Show Answer Correct Answer: A) John Dalton. 9. Which of the following result in the discovery of proton A) Cathode rays. B) Canal rays. C) X rays. D) Alpha rays. Show Answer Correct Answer: B) Canal rays. 10. Which of the following does not match the characteristics of an Isotope? A) Isotopes of some elements are radioactive. B) Isotopes are the atoms of different elements. C) Isotopes differ in number of neutrons. D) Isotopes have similar chemical properties. Show Answer Correct Answer: B) Isotopes are the atoms of different elements. 11. I want to study 10th at A) Roopak 's Bhaiya. B) Obviously at Roopak bhaiya's. C) Anywhere. D) None. Show Answer Correct Answer: B) Obviously at Roopak bhaiya's. 12. How many neutrons does an atom of hydrogen contain? A) 3. B) 1. C) 0. D) 2. Show Answer Correct Answer: C) 0. 13. In which year Wilhelm Roentgen discovered x-ray? A) 8 Nov 1895. B) 8 Dec 1895. C) 8 Nov 1985. D) 9 Nov 1897. Show Answer Correct Answer: A) 8 Nov 1895. 14. FIND OUT THE ATOMIC NO OF ELEMENT IF ITS BOTH K AND L SHELLS ARE COMPLETELY FULL: A) 11. B) 20. C) 12. D) 10. Show Answer Correct Answer: D) 10. 15. Water is an element A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. Which of the following correctly represent the electronic distribution in theMg atom? A) 3, 8, 1. B) 2, 8, 2. C) 1, 8, 3. D) 8, 2, 2. Show Answer Correct Answer: B) 2, 8, 2. 17. Who stated that electrons move in layers or shells? A) Bohr. B) Chadwick. C) Rutherford. D) Dalton. Show Answer Correct Answer: A) Bohr. 18. What are the negatively charged particles of an atom called as? A) Protons. B) Neutrons. C) Electrons. D) None of the above. Show Answer Correct Answer: C) Electrons. 19. What is the electronic configuration of Cu? A) [Ar]3d$^{9}$4s$^{2}$. B) [Ne]3d$^{9}$4s$^{2}$. C) [Ar]3d$^{10}$4s$^{1}$. D) [Ne]3d$^{10}$4s$^{1}$. Show Answer Correct Answer: C) [Ar]3d$^{10}$4s$^{1}$. 20. True or False:The nucleus contains the mass of an atom. A) True. B) False. C) Maybe. D) None of the above. Show Answer Correct Answer: A) True. 21. What is located in the atom's nucleus? A) Electrons and protons. B) Neutrons and electrons. C) Protons and neutrons. D) None of the above. Show Answer Correct Answer: C) Protons and neutrons. 22. An atom's mass number equals the number of ..... A) Protons plus the number of electrons. B) Protons plus the number of neutrons. C) Protons. D) Neutrons. Show Answer Correct Answer: B) Protons plus the number of neutrons. 23. A sub-atomic particle with no charge A) Proton. B) Neutron. C) Electron. D) Nucleus. Show Answer Correct Answer: B) Neutron. 24. The number of valence electrons in a sulphide ion, S2-, is: A) 16. B) 10. C) 9. D) 8. Show Answer Correct Answer: D) 8. 25. 14-Which is not true about the noble gases? A) They are non metallic in nature. B) They exist in atomic form. C) All are radioactive in nature. D) Xenon is the most reactive among these. Show Answer Correct Answer: C) All are radioactive in nature. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 1Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 2Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 3Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 4Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 5Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 6Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 7Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 8Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 9Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books