In the Bohr model of hydrogen, an electron makes a transition from the n = 9 excited state to the n = 4 excited state. What is the change in the orbital radius of the electron?

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

A: Given, a) n=5 b) time period (T)=10(-12) seconds

Q: (a) In an electron microscope, what accelerating voltage is needed to produce electrons with…

A: a) The expression for find wavelength is λ=hmv                             ...... (1) The kinetic…

Q: (a) If one subshell of an atom has 9 electrons in it, what is the minimum value of l ? (b) What is…

A: a)If one subshell of an atom has 9 electrons in it, what is the minimum value of l  The minimum…

Q: (a) Using Bohr’s second postulate of quantization of orbital angular momentum show that the…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Zirconium (Z = 40) has two electrons in an incomplete d subshell. (a) What are the values of n and…

A: a) The required values of n and l are: b) The possible values of angular quantum number and spin…

Q: (a) Suppose a wavelength of 4.653 um is observed in a hydrogen spectrum for a transition that ends…

A:

Q: An electron is in the first excited state, n = 2, of a Hydrogen atom. What wavelength of light…

A: Given that n= 2  So formula used to find wavelength is     1/wavelength = R×(1/n^²-1/m^²).…

Q: A hydrogen atom initially in the n = 2 level emits a photon and ends up in the ground state. (a)…

A:

Q: A hydrogen atom has its electron in the n = 2 state. (a) How much energy would have to be absorbed…

A:

Q: (a) A hydrogen atom has its electron in the  n = 6  level. The radius of the electron's orbit in…

A:

Q: A hydrogen atom has its electron in the n = 3 state. (a) How much energy would have to be absorbed…

A:

Q: a. Calculate the de Broglie wavelength of the electron in the n = 1, 2, and 3 states of the hydrogen…

A: Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: A beam of electrons is incident on a gas of hydrogen atoms.a. What minimum speed must the electrons…

A: (a) Energy difference

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

A:

Q: Do the following electron configurations represent a possible state of an element? If so, (i)…

A: Part a The 1s22s22p63s2 represents a possible electronic configuration of an element. Since, the…

Q: An electron in the n=6 energy level of an H atom drops to a lower energy level; the atom emits a…

A: Given data:               Wavelength of emitted photon, λ = 410 nm = 410×10-9 m…

Q: (A) The electron in a hydrogen atom makes a transition from a higher energy level to the ground…

A: Energy difference for a downward transition

Q: A hydrogen atom emits a photon as it makes a transition from the n = 4 state to the n = 3 state. The…

A: Given:-                 A hydrogen atom emits a photon as it makes a transition from the n = 4 state…

Q: A) What is the energy required to transition from n=2 to n=3 in a Lithium atom with only one…

A:

Q: The Lyman series of the spectral lines in hydrogen is a series of transitions from energy levels…

A:

Q: (a) A hydrogen atom has its electron in the n = 2 level. The radius of the electron's orbit in the…

A:

Q: A hydrogen atom has its electron in the n = 1 state. (a) How much energy would have to be absorbed…

A: a) The required energy absorbed by the atom is, E1=-13.612     =-13.6 eV

Q: (d) A singly ionised helium atom emits light at wavelengths of 230.6nm and 541nm. Identify the…

A: The wavelength of light emitted when an electron makes a transition from a higher energy level(n2)…

Q: A hydrogen atom initially in the n = 3 level emits a photon and ends up in the ground state. (a)…

A: ni = 3 nf = 1

Q: Q/ What are the number of spectral lines that can be emitted when the hydrogen atom returns from (n…

A:

Q: (A) Calculate the most probable value of r for an electron in the ground state of the hydrogen atom.…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Q/ What are the number of spectral lines that can be emitted when the hydrogen atom returns from (n…

A: Spectral lines= (n2-n1)(n2-n1+1)/2  n2=6,n1=1

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

A: ni = 7 nf = 4 λ = ?

Q: a) A hydrogen atom has its electron in the n = 2 level. The radius of the electron's orbit in the…

A: Given  : Radius ( r ) = 0.212 nm = 0.212 * 10-9 meters n = 2 By the formula of de-Broglie wavelength…

Q: Hydrogen Like Atoms Part A: Find the frequency of light f radiated by an electron moving from orbit…

A: For the hydrogen atoms, the Bohr’s model states that the frequency of the light that is radiated by…

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

A:

Q: (i) In hydrogen atom, an electron undergoes transition from 2nd excited state to the first excited…

A: Given: In hydrogen atom: First case: e- transition takes place from 2nd→1st excited state. Second…

Q: (a) A hydrogen atom is initially in the ground state. How much energy (in ev) is required to ionize…

A: The Ionization energy is the amount of energy required to remove an electron from the most loosely…

Q: Suppose an electron has magnetic quantum number ml = 1. What constraints are on the values of the…

A: The four quantum numbers are, n, l, ml, ms. n = principle quantum number l = angular quantum number…

Q: (a) A hydrogen atom has its electron in the n = 6 level. The radius of the electron's orbit in the…

A: Write a given values of this question. n=6r=1.905nm=1.905×10-9mh=6.63×10-34J-sec

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: