Class 11 Chemistry Chapter 2 – Atomic Structure MCQs | FBISE | Grade 11 Chemistry
Description: Practice 50 exam-oriented MCQs from Class 11 Chemistry Chapter 2 – Atomic Structure, covering atomic particles, atomic models, isotopes, electronic configuration, quantum numbers, orbitals, and the development of modern atomic theory.
1. The smallest unit of an element that retains its chemical identity is an
2. The negatively charged subatomic particle is the
3. The positively charged subatomic particle is the
4. The subatomic particle with no electrical charge is the
5. Most of the mass of an atom is concentrated in the
6. The nucleus of an atom contains
7. The atomic number of an element is equal to the number of
8. In a neutral atom, the number of electrons is equal to the number of
9. The total number of protons and neutrons in an atom is called the
10. Atoms of the same element having different numbers of neutrons are called
11. Isotopes have the same
12. The discovery of the electron is associated with
13. J. J. Thomson used cathode ray experiments to investigate
14. Thomson proposed the atomic model commonly known as the
15. According to Thomson’s model, electrons were embedded in a sphere of
16. Rutherford’s famous experiment involved bombarding thin gold foil with
17. Rutherford’s scattering experiment showed that most of the atom is
18. Rutherford concluded that positive charge is concentrated in a small
19. The atomic nucleus is
20. Rutherford’s model could not satisfactorily explain the
21. Niels Bohr proposed that electrons move around the nucleus in
22. An electron in a lower energy level is generally
23. When an electron absorbs energy, it may move to a
24. When an electron moves from a higher to a lower energy level, it
25. The energy emitted or absorbed by an electron is related to the difference between
26. The line spectrum of hydrogen provided evidence for
27. The wave nature of electrons was proposed by
28. According to de Broglie, moving particles can exhibit
29. The uncertainty principle was proposed by
30. Heisenberg’s uncertainty principle concerns the simultaneous knowledge of an electron’s
31. The modern quantum mechanical model describes electrons in terms of
32. A region of space where there is a high probability of finding an electron is called an
33. The maximum number of electrons that can occupy one orbital is
34. The principal quantum number is represented by
35. The principal quantum number mainly indicates the electron’s
36. The azimuthal quantum number is represented by
37. The azimuthal quantum number determines the
38. The magnetic quantum number is represented by
39. The magnetic quantum number specifies the
40. The spin quantum number is represented by
41. An electron can have a spin quantum number of
42. The s subshell contains
43. The p subshell contains
44. The d subshell contains
45. The f subshell contains
46. The maximum number of electrons in a p subshell is
47. The maximum number of electrons in a d subshell is
48. The maximum number of electrons in an f subshell is
49. The Aufbau principle states that electrons occupy
50. Hund’s rule states that electrons occupy degenerate orbitals
Explore More
Class 11 Chemistry Chapters
- Chapter 1 – History of Chemistry MCQs
- Chapter 2 – Atomic Structure MCQs
- Chapter 3 – Chemical Bonding MCQs
- Chapter 4 – Stoichiometry MCQs
- Chapter 5 – States and Phases of Matter MCQs
- Chapter 6 – Energetics MCQs
- Chapter 7 – Chemical Kinetics MCQs
- Chapter 8 – Chemical Equilibrium MCQs
- Chapter 9 – Acids – Bases Chemistry MCQs
- Chapter 10 – Periodic Table MCQs
- Chapter 11 – Nitrogen and Sulphur MCQs
- Chapter 12 – Halogens MCQs
- Chapter 13 – Environmental Chemistry – Air MCQs
- Chapter 14 – Environmental Chemistry – Water MCQs
- Chapter 15 – Organic Chemistry MCQs
- Chapter 16 – Hydrocarbons MCQs
- Chapter 17 – Halogenoalkanes MCQs
- Chapter 18 – Alcohol MCQs
- Chapter 19 – Carbonyl Compounds MCQs
- Chapter 20 – Nitrogen Compounds – Amines MCQs
- Chapter 21 – Organic Synthesis MCQs
- Chapter 22 – Energy MCQs
Syllabus & SLO Alignment
This chapter follows the FBISE HSSC-I Chemistry Assessment Framework based on the National Curriculum of Pakistan 2022–23. The relevant SLO range for this chapter is C-11-B-01 to C-11-B-28. The SLOs cover the chapter content and include the learning outcomes identified by FBISE for this content area. Summative/formative status follows the official assessment framework.