Atomic Models MCQ

Test your knowledge with important Atomic Models MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Atomic Models MCQs at Bissoy

• Which of the following orbitals do not exist?
  ক

  3p

  খ

  4s

  গ

  2s
• Which of the Bohr’s postulates was incorrect?
  ক

  Energy of electrons is quantized

  খ

  Momentum of electrons is quantized

  গ

  Electrons release energy when shifting from excited state to ground state
• Around 1911, Rutherford suggested a planetary model of atomic structure. Which of the following was not a proposition of this model?
  ক

  Electrons revolve in circular orbits around the nucleus

  খ

  Nucleus consists of protons and neutrons

  গ

  Mass of atom is concentrated in the nucleus
• When an electron shifts to an inner shell, it:
  ক

  Absorbs photon

  খ

  Emits a photon

  গ

  Emits a positron
• Electronic configuration of Cu is 3d10 4s1. Which rule is violated in this configuration?
  ক

  3d10 4s1. Which rule is violated in this configuration? ] Aufbau Principle

  খ

  Ar

  গ

  Ar

  ঘ

  Ar
• Number of atomic orbitals in nth shell is:
  ক

  n2

  খ

  2n2

  গ

  2n + 1
• Protons attract electrons. Then why do electrons not fall on the nucleus?
  ক

  Neutrons repel the electrons

  খ

  Electrons in ground state cannot radiate energy

  গ

  At very small distances, protons repel electrons
• In the wave-mechanical model of an atom, degenerate energy levels have:
  ক

  Equal energy

  খ

  Equal number of electrons

  গ

  Same shape