Question
Which of the following statements is true? The quantum mechanical model of the atom includes (a) all of the Bohr model; (b) part of the Bohr model; (c) no part of the Bohr model. Justify your answer.
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These orbits correspond to certain energy levels, and when an electron moves from one orbit to another, it either absorbs or emits a specific amount of energy. This concept is known as energy quantization. Show more…
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Which of the following statement does not form part of Bohr's model of the hydrogen atom ? (a) Energy of the electrons in the orbit is quantized (b) The electron in the orbit nearest the nucleus has the lowest energy (c) Electrons revolve in different orbits around the nucleus (d) The position and velocity of the electrons in the orbit cannot be determined simultaneously
Which of the following statements is inconsistent with the Bohr model of the atom? A. Energy levels of the electron are stable and discrete. B. An electron emits or absorbs radiation only when making a transition from one energy level to another. C. To jump from a lower energy to a higher energy orbit, an electron must absorb a photon of precisely the right frequency such that the photon's energy equals the energy difference between the two orbit D. To jump from a higher energy to a lower energy orbit, an electron absorbs a photon of a frequency such that the photon's energy is exactly the energy difference between the two orbits.
Which of the following statements is true regarding Bohr model of hydrogen atom? (I) Orbiting speed of electrons decreases as it falls to discrete orbits away from the nucleus. (II) Radii of allowed orbits of electrons are proportional to the principal quantum number. (III) Frequency with which electrons orbit around the nucleus in discrete orbits is inversely proportional to the principal quantum number. (IV) Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits. Select the correct answer using the codes given below (a) I and III (b) II and IV (c) I, II and III (d) II, III and IV
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