Structure of Atom

44 topics, ranked by how often each is asked.

  • 62 questions
  • 37 papers
  • 3.52% of Chemistry

Topics

The squares are the last ten exam years: filled means it was asked that year.

Most asked first

44 topics · 62 questions
  1. 1Quantum Numbers21%13 questionsPractise Quantum Numbers
  2. 2Isoelectronic species4.8%3 questionsPractise Isoelectronic species
  3. 3Heisenberg's Uncertainty Principle4.8%3 questionsPractise Heisenberg's Uncertainty Principle
  4. 4Aufbau principle3.2%2 questionsPractise Aufbau principle
  5. 5Planck's quantum theory3.2%2 questionsPractise Planck's quantum theory
  6. 6Bohr Model and Hydrogen Spectrum1.6%1 questionPractise Bohr Model and Hydrogen Spectrum
  7. 7Bohr Model for Hydrogen-like Species1.6%1 questionPractise Bohr Model for Hydrogen-like Species
  8. 8Bohr Model Energy Levels for Hydrogen-like Species1.6%1 questionPractise Bohr Model Energy Levels for Hydrogen-like Species
  9. 9Quantum Numbers and Their Significance1.6%1 questionPractise Quantum Numbers and Their Significance
  10. 10Sub-atomic Particles and Isotopes1.6%1 questionPractise Sub-atomic Particles and Isotopes
  11. 11Shapes and Energies of d Orbitals1.6%1 questionPractise Shapes and Energies of d Orbitals
  12. 12Bohr's Model for Hydrogen-like Species1.6%1 questionPractise Bohr's Model for Hydrogen-like Species
  13. 13Electromagnetic Radiation – Frequency and Wavelength1.6%1 questionPractise Electromagnetic Radiation – Frequency and Wavelength
  14. 14Atomic Number, Mass Number and Isotopes1.6%1 questionPractise Atomic Number, Mass Number and Isotopes
  15. 15Quantum Mechanical Model – Energies of Orbitals ((n+l) Rule)1.6%1 questionPractise Quantum Mechanical Model – Energies of Orbitals ((n+l) Rule)
  16. 16Spectrum of the Hydrogen Atom1.6%1 questionPractise Spectrum of the Hydrogen Atom
  17. 17Quantum numbers and orbital designation1.6%1 questionPractise Quantum numbers and orbital designation
  18. 18Photon energy and particle nature of light1.6%1 questionPractise Photon energy and particle nature of light
  19. 19Quantum numbers and (n+l) rule for orbital energy1.6%1 questionPractise Quantum numbers and (n+l) rule for orbital energy
  20. 20Hydrogen spectrum (Balmer series) and blackbody radiation (Wien's law)1.6%1 questionPractise Hydrogen spectrum (Balmer series) and blackbody radiation (Wien's law)
  21. 21Angular and radial nodes in orbitals1.6%1 questionPractise Angular and radial nodes in orbitals
  22. 22Rules governing quantum numbers1.6%1 questionPractise Rules governing quantum numbers
  23. 23Wave function and probability density1.6%1 questionPractise Wave function and probability density
  24. 24Quantum numbers and orbitals1.6%1 questionPractise Quantum numbers and orbitals
  25. 25Photoelectric effect - work function1.6%1 questionPractise Photoelectric effect - work function
  26. 26Radial and angular nodes1.6%1 questionPractise Radial and angular nodes
  27. 27de Broglie wavelength in Bohr orbits1.6%1 questionPractise de Broglie wavelength in Bohr orbits
  28. 28Radial nodes and wave functions1.6%1 questionPractise Radial nodes and wave functions
  29. 29Hund's rule and quantum numbers1.6%1 questionPractise Hund's rule and quantum numbers
  30. 30Energies of orbitals, de Broglie and uncertainty principle1.6%1 questionPractise Energies of orbitals, de Broglie and uncertainty principle
  31. 31Quantum numbers – spin quantum number1.6%1 questionPractise Quantum numbers – spin quantum number
  32. 32Shapes of d-orbitals1.6%1 questionPractise Shapes of d-orbitals
  33. 33Quantum numbers and orbital capacity1.6%1 questionPractise Quantum numbers and orbital capacity
  34. 34Electronic configuration1.6%1 questionPractise Electronic configuration
  35. 35Electromagnetic radiation1.6%1 questionPractise Electromagnetic radiation
  36. 36Bohr model1.6%1 questionPractise Bohr model
  37. 37Bohr's model1.6%1 questionPractise Bohr's model
  38. 38de Broglie relation1.6%1 questionPractise de Broglie relation
  39. 39Energy of radiation and bond dissociation1.6%1 questionPractise Energy of radiation and bond dissociation
  40. 40Bohr's Model of Hydrogen Atom1.6%1 questionPractise Bohr's Model of Hydrogen Atom
  41. 41Bohr's Model for Hydrogen Atom1.6%1 questionPractise Bohr's Model for Hydrogen Atom
  42. 42Wave Nature of Electromagnetic Radiation1.6%1 questionPractise Wave Nature of Electromagnetic Radiation
  43. 43Bohr's Model: Energy of Electron1.6%1 questionPractise Bohr's Model: Energy of Electron
  44. 44Photon Energy and Wavelength1.6%1 questionPractise Photon Energy and Wavelength

Questions per paper

Asked in 16 of the last 16 papers (2017–2026).

  1. 2026: 2 questions
  2. 2026 Re-NEET: 1 question
  3. 2025: 2 questions
  4. 2024: 2 questions
  5. 2024 Re-NEET: 2 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 3 questions
  8. 2022: 2 questions
  9. 2022 Phase 2: 2 questions
  10. 2021: 1 question
  11. 2020: 1 question
  12. 2020 Phase-2: 1 question
  13. 2019: 2 questions
  14. 2019 Odisha: 2 questions
  15. 2018: 1 question
  16. 2017: 1 question

Concepts tested

  • Wavelength from frequency 3
  • Allowed values of quantum numbers 2
  • Capacity of a subshell 2
  • Orbital angular momentum 2
  • (n + l) rule
  • Angular and radial nodes in orbitals
  • axial-d-orbitals
  • Balmer series
  • Bohr Orbit Energy and Radius
  • Conservation of energy
  • Counting electrons by subshell
  • Counting electrons in diatomic species
  • Counting total electrons
  • d orbital shapes
  • de Broglie wavelength
  • de Broglie wavelength in Bohr orbits
  • Electrons in an orbital
  • Energy and wavelength