Select statements that are appropriate for the Bohr model of an atom. Select one or more: a. The angular momentum of the revolving electron in stationary orbits is an integer multiple of the reduced Planck constant b. Electrons form a cloud around a heavy nucleus. c. The electron is able to revolve in certain stable orbits around the nucleus without radiating any energy.

Q: 2) If the hydrogen atom absorbed a photon of wavelength 1217A, then the electron moved from its…

A: Given wavelength of absorbed photon λ =1217A

Q: Bohr’s model shows that electronic energy of hydrogen atom is given by the formula: En = -2.18 x…

A:

Q: 2.) (a) Can the following types of energy be negative, or must they be positive only? i. Kinetic…

A: 2.(a) (i) Kinetic energy :-  kinetic energy bof an object is always positive .     KE =(1/2) mv2…

Q: 3) If the angular momentum of an electron atom of hydrogen is equal to 3.15 x10-* J.S in what orbit…

A:

Q: )Use the Bohr model of the atom to calculate the orbiting speed of the electron in the n = 5 state

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Q: 3. A metal has a threshold wavelength of 500 nm. a. What is the binding energy of the outer electron…

A:

Q: 1. Bohr's Model can be used to find the wavelengths of the photons in the absorption or emission…

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Q: 1) Use the Bohr model to determine the wavelength of light emited when a hydrogen atom makes a…

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Q: Hydrogen atom in the first excited state.The first excited state E2 of the hydrogen atom is 10.2eV…

A: The energy difference b/w the first excited state and the ground state of the hydrogen atom is given…

Q: 5. Explain the theory of electron diffraction in solids, and then calculate the De Broglie and Bragg…

A: To Explain: The theory of electron diffraction in solids and calculate the De Broglie wavelength

Q: • Which of the following postulates of the Bohr model led to the quantization of energy of the…

A: (1) The postulate of Bohr model that lead to the quantization of energy of Hydrogen atom is; The…

Q: 4- Show the correct dependence of the potential energy of an electron in a separate (isolated) atom…

A: The one dimensional model of an isolated atom can be assumed to be as the positive charges at center…

Q: (a) Using the Bohr’s model calculate the speed of the electron in a hydrogen atom in the n = 1, 2,…

A:

Q: Find the difference in energy levels for a hydrogen-like titanium atom going from the seventh (7th)…

A: Tritium atom is going from 7th level to 3rd level

Q: 1) Determine the frequency and wavelength for a photon for a transition from level 6 to level 4 in…

A: In this question we have to determine the de Broglie wavelength of the electron in level 4. Please…

Q: Write an expression relating the kinetic energy KE of the electron and the potential energy PE in…

A: a)The centripetal force and the Coulomb force compensate each other.So,

Q: 2-)In the Balmer series, the wavelength of a certain line is measured as 379.1nm. What transition…

A: Given : λ = 379.1 nm = 379.1 × 10-9 m

Q: 2. List the assumptions of the Bohr theory of the hydrogen atom.

A: Answer:-  Assumption of the Bohr theory of the hydrogen atom :-  (1) An electron moves along the…

Q: 3. The emission spectrum of Hydrogen has a bright blue-green line at 486 nm. This electron ends in…

A: Ef=initial energy of e-Ef=final enrgy of e-

Q: 1. In stimulated emission, an atom in an excited state can be induced to de-excite to a lower energy…

A: 1. When a photon of energy E=hυ is incident to a particle that are situated at the excited state…

Q: A-Calculate the momentum of electron in 2nd state of hydrogen atom?

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Q: What is the energy of the photon that, when absorbed by a hydrogen atom, could cause an electronic…

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Q: 1. Calculate the temperature at which many hydrogen atoms will be in the first excited state (n=2).…

A: As per company policy, we are restricted to solve one question at a time. Please ask other question…

Q: A- Calculate the following (1) the wavelength of the ray necessary to excite an electron in a…

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Q: 3-Calculate the energy (in eV) of the levels (1“, 20d, 3rt and 4h ) for the hydrogen atom?…

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Q: A doubly ionized lithium atom (Li++) is one that has had two of its three electrons removed. The…

A: Li++ion l + As+3e charge in the nucleus. Because it only has one electron, it energy levels are very…

Q: 5. The Lyman series in the line spectra of atomic hydrogen is the name for the light emitted from…

A: (a)

Q: 4.Which set of quantum numbers is not possible? * ml ms A 3 -1/2 В -1 -1/2 +1/2 -1/2 3 1 3 +2 O A

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Q: Q1) A-Calculate the momentum of electron in 2nd state of hydrogen atom? B-How much the angular…

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Q: 3. In the Bohr model of the hydrogen atom, what is the de Broglie wavelength for the electron when…

A: Ques:

Q: 1- Energy in a Bohr orbit is given by where B = 2.179 x 10-18 J. Calculate the frequency of…

A: When an electron do a jump from the third to second orbit, a photon is emitted, the energy of which…

Q: 1. Bohr's Model can be used to find the wavelengths of the photons in the absorption or emission…

A: We know that, Wavelength of the photon of emission spectrum is given by, 1λ=RH1n22-1n12 Where, RH is…

Q: QUESTION 9 In the picture are two diagrams of the first five orbits in the Bohr model labeled A…

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Q: The kinetic energy of an electron in a particular Bohr orbit is 135 10 19 . × . − J (a) Which Bohr…

A: A situation is given, in which Kinetic energy of electron in a particular state is given; K.E of…

Q: a- Calculate the radius of the first orbital of the hydrogen atom according to the Bohr model? What…

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Q: The gravitational attraction between electron and proton in a hydrogen atom is weaker than the…

A: Equate gravitational attraction between the proton and electron to the Coulombic attraction between…

Q: 2. An electron initially moving in the third orbit around the nucleus of the hydrogen atom. Find the…

A: The energy of electron in different orbits can be given by the formula E = -13.6n2 eV Now putting n=…

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: