Select all of the following statements that are basic assumptions of the Bohr model of the atom.   A) Atoms have a central nucleus with electrons in orbit about this nucleus. B) Atoms are solid spheres of matter.Atoms are made of positive material with electrons fixed in place in this positive material. C) Electrons orbit the nucleus, but the orbits can have only certain sizes and energy values. D) Electrons can jump from one orbit to another around the nucleus. E) They must gain energy to jump to a higher level, and they release energy when jumping to a lower level.

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: The magnitude of the orbital angular momentum in an excited state of hydrogen is 2.58 × 10-34 J.s…

A: Given that- Magnitude of orbital angular momentum in exicitated state=2.58*10-34J-sec Z…

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: Which of the following is not true of Bohr’s atomic model? a. The Coulomb force between the nucleus…

A: Postulates of Bohr's atomic model: Coulomb's force between electron and nucleus maintains the…

Q: 1. Taking the Bohr radius as a, =53 pm, the radius of Lit+ ion in its ground state, on the basis of…

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Q: A hydrogen atom is in a state with energy -1.51 eV. Using the Bohr model: (a) Calculate the angular…

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Q: On what lines the Bohr’s theory of circular orbit for an atom when nucleus is in motion differs from…

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

A: Given data and calculation-

Q: If the outermost electron in an atom is excited to a very high energy state, its orbit is far beyond…

A: The expression for the radius be given as, Where, a0 be defined as the Bohr radius.

Q: ngular momentum of an electron in the allowed orbit is equal to an integral multiple of  h 2?The…

A: Bohr's model of the atom was proposed by Bohr that came into existence with the modification of…

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: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: = E=…

A: Given: The absorption line spectrum of hydrogen caused by the transition of the electron from an…

Q: Which model of the hydrogen atom, the Bohr model orthe quantum-mechanical model, predicts that the…

A: In the Bohr's model, the electrons are placed in definite circular orbits. The electron in the…

Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: E=−Ry/n2…

A: Given, Rydberg's constant, R=1.0973x107 m-1 n1=6 n2=12

Q: A hydrogen atom makes a transition from energy level 7 to 4. According to the Bohr model: a)…

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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: can find the value of the Rydberg energy using the Data button on the ALEKS toolbar.) Calculate the…

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Q: Which of the following is not true of BohrOs atomic model? O The electron in the orbit nearest to…

A: Radiation is emitted only when electron jumps from higher energy level to lower energy level.

Q: (a) A hydrogen atom has its electron in the n = 4 level. The radius of the electron's orbit in the…

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Q: If 13.6 eV energy is required to ionize the hydrogen atom, then energy required to remove an…

A: (1) Energy required to remove the electron from n=2 Enion=E0n2=13.6 eV22=3.4 eV Answer: option (c)

Q: Q. 3: Hydrogen atom is in its first excited state (n = 2). Calculate (a) the radius of the orbit,…

A: Since you have asked multiple subparts of a question we will only solve the first three parts…

Q: A hydrogen atom is in its third excited state (n = 4). Using the Bohr theory of the atom, calculate…

A: Given:- The hydrogen atom is in its third excited state (n = 4) Now, a0=5.29 times 10-11 m h=6.625…

Q: Calculate the radius of the orbital and the velocity of the electron in the second orbital = n2 for…

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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: Consider the Bohr model of the atom. Suppose an electron in a hydrogen atom transitions from the n=3…

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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: 1. Characteristic K x-radiation of an element occurs when:   a. the incident electron is absorbed…

A: 1 Characteristic K x-radiation of an element occurs when:   Characteristic X-rays are produced when…

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: A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, calculate…

A: As per our rules we solve only 3 subparts, if you need the solution of remaining subpart post the…

Q: Use the Bohr model and determine the wavelength of light that would ionize a hydrogen atom if the…

A: Given electron is at third(3) excited state we have to find  the wavelength of light that would…

Q: What are the most significant differences between the Bohr model of the hydrogen atom and the…

A: Bohr model of the hydrogen atom : Bohr model of the hydrogen atom first proposed the planetary model…

Q: 1a) Use the table below to determine the energy in eV of the photon absorbed when an electron jumps…

A: (a) When an electron jumps up from n = 1 to n =2, the energy of the emitted photon will be the…

Q: 9. What observations in the gold foil experiment made Rutherford conclude that atoms are mostly…

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Q: What wavelength of light is emitted by a hydrogen atom in which an electron makes a transition from…

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Q: The ground state energy of hydrogen atom is -13.6 eV. (i) What is the kinetic energy of an electron…

A: Given The ground state energy of the hydrogen atom is E0=-13.6 eV. The kinetic energy of an…

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: