This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many degenerate orbitals does a d-sub shell contain? A) 1. B) 3. C) 5. D) 7. Show Answer Correct Answer: C) 5. 2. What does the atomic number of an atom represent? A) Atomic Mass. B) Number of Electrons. C) Number of Protons. D) Number of Neutrons. Show Answer Correct Answer: C) Number of Protons. 3. The no. of electrons gained, lost or shared, gives us directly the ..... A) Valency. B) Combining Power. C) Combining Capacity. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Protons have a negative electrical charge A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. Which statement accurately describes the atoms of a specific element? A) An Oxygen (O) atom contains 8 protons inside the nucleus, and 8 neutrons outside the nucleus. B) A Beryllium (Be) atom contains 4 electrons outside the nucleus, and 5 neutrons inside the nucleus. C) An Aluminum (Al) atom contains 27 electrons and 27 protons inside the nucleus. D) A Zinc (Zn) atom contains 30 protons inside the nucleus, and 31 electrons outside the nucleus. Show Answer Correct Answer: B) A Beryllium (Be) atom contains 4 electrons outside the nucleus, and 5 neutrons inside the nucleus. 6. THE CONFIUGURATION OF CARBON (Z=6) is A) 2, 4. B) 3, 3. C) 2, 6. D) None. Show Answer Correct Answer: A) 2, 4. 7. The orbital having same no of spherical nodes are A) 4p, 3d. B) 3p, 4d. C) 6s, 5p. D) 2s, 3d. Show Answer Correct Answer: B) 3p, 4d. 8. First University established in India? A) University of Calcutta. B) Delhi University. C) Banaras Hindu University. D) Madras University. Show Answer Correct Answer: A) University of Calcutta. 9. These are the SMALLEST subatomic particles A) Proton. B) Neutron. C) Electron. D) None of the above. Show Answer Correct Answer: C) Electron. 10. Isotopes are atoms of the same element with different numbers of ..... A) Protons. B) Neutrons. C) Electrons. D) None of the above. Show Answer Correct Answer: B) Neutrons. 11. Which element has 5 more protons than Oxygen (O)? A) Aluminum. B) Lithium. C) Chlorine. D) Silicon. Show Answer Correct Answer: A) Aluminum. 12. What is the typical units of measurement for the "E" in the following equation:E$_{}$$_{photon}$= h x f A) Joules. B) Meters. C) Meters/seconds. D) Hertz. Show Answer Correct Answer: A) Joules. 13. The angular momentum quantum number indicates the A) Orientation an orbital around the nucleus. B) Shape of an orbital. C) Direction of the spin of the electron in its orbital. D) Main energy level of an orbital. Show Answer Correct Answer: B) Shape of an orbital. 14. Which postulate is correct in J J Thomson model A) Neutrality of atom. B) Atom is positive sphere having electrons embedded in it. C) All the above. D) None of the above. Show Answer Correct Answer: A) Neutrality of atom. 15. Easy to shape or bend A) Malleable. B) Non-Metal. C) Play Doh. D) Lego. Show Answer Correct Answer: A) Malleable. 16. Which of the following series of hydrogen spectrum is present in visible region A) Balmer series. B) Paschen series. C) Brackett series. D) Lymann series. Show Answer Correct Answer: A) Balmer series. 17. In the Thomson's model of atom, which of the following statments are correct? (i) the mass of the atom is assumed to be uniformaly distributed over the atom (ii) the positive charge is assumed to be uniformaly distributed over the atom (iii) the electrons are uniformaly distributed in the positively charged sphere (iv) the electrons attract each other to stabilise the atom A) (i), (ii) and (iii). B) (i) and (iii). C) (i) and (iv). D) (i), (iii) and (iv). Show Answer Correct Answer: A) (i), (ii) and (iii). 18. To which orbit the electron will jump in hydrogen atom on absorbing 12.1 ev of energy? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 19. How many electrons are there in an atom of potassium with mass number 39 and atomic number 19? A) 19. B) 20. C) 39. D) 9. Show Answer Correct Answer: A) 19. 20. The negatively charged particles in an atom that orbit around the nucleus are called A) Protons. B) Neutrons. C) Electrons. D) None of these. Show Answer Correct Answer: C) Electrons. 21. Although neutron and proton have nearly the same mass, yet on exact comparison, which of them have a greater mass? A) Proton. B) Neutron. C) All the above. D) None of the above. Show Answer Correct Answer: B) Neutron. 22. Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order A) (i) and (ii) and (iii). B) (ii), (iii) and (i). C) (ii), (i) and (iii). D) (iii), (ii) and (i). Show Answer Correct Answer: C) (ii), (i) and (iii). 23. In a chemical reaction 150 g Baking soda mixture containing sodium bicarbonate and vinegar on heating gives 87 g of carbon dioxide gas. What mass of solid residue will be left in food? A) 53 g. B) 63 g. C) 73 g. D) 237 g. Show Answer Correct Answer: B) 63 g. 24. How many electrons are in the element, Oxygen, with the atomic number of 8? A) 7. B) 10. C) 8. D) 9. Show Answer Correct Answer: C) 8. 25. Electrons occupying the same orbital must have opposite spin. This statement refers to ..... A) The Aufbau Principle. B) Hund's rule. C) Pauli's exclusion principle. D) The quantum theory. Show Answer Correct Answer: C) Pauli's exclusion principle. ← 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 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 10Class 11 Chemistry (Part I) Chapter 2 Structure Of Atom Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books