EANUTHERChiculate the wavelength of the electromagnetic radiation required to excite an electron from the grond state to the levelwith 4in a one dimensional box 41.8 pm in length.HosdHelezRead I

An electron is excited from ground level (n=1) to Higher level (n=4) in 1D-box. Length of the box…

Answered: Calculate the wavelength of the…

Calculate the wavelength of the electromagnetic radiation required to excite an electron from the ground state to the level with ns 4 in a one dimensional box 41.8 pm in length. nm NoedHetp? Read It

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter4: Introduction To Quantum Mechanics

Section: Chapter Questions

Problem 40P: When metallic sodium is dissolved in liquid sodium chloride, electrons are released into the liquid....

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Using Table 5.2, write down the mathematical expression for the 2px wave function for an electronically excited H atom. Estimate the probability of finding the 2px electron if you look in a cubical box of volume of 0.8(pm)3 centered at a distance of 0.5001010m in the =/2 , =0 direction. Does this probability change as you change ? At what angles is the probability of finding the electron smallest and at what angles is the probability the largest? (Note that =2 is the same location as =0 , so don’t double count.)
Estimate the probability of finding an electron which is excited into the 2s orbital of the H atom, looking in a cubical box of volume 0.751036m3 centered at the nucleus. Then estimate the probability of finding the electron if you move the volume searched to a distance of 105.8 pm from the nucleus in the positive z direction. (Note that since these volumes are small, it does not matter whether the volume searched is cubical or spherical.)
In a FranckHertz experiment on sodium atoms, the first excitation threshold occurs at 2.103 eV. Calculate the wavelength of emitted light expected just above this threshold. (Note: Sodium vapor lamps used in street lighting emit spectral lines with wavelengths 5891.8 and 5889.9 Å.)
For the Li atom, the energy difference between the ground state and the first excited state, in which the outermost electron is in a 2p orbital, is 2.961019J . In the Li2+ ion, the energy difference between the 2s and 2p levels is less than 0.00002 of this value. Explain this observation.
Photoelectron spectra were acquired from a sample of gaseous O2 using X-ray radiation with wavelength 0.99 nm and energy 1253.6 eV. The spectrum contained a large peak for photoelectrons with speed of 1.57107ms1 . Calculate the ionization energy of these electrons. Identify the orbital from which they were most likely emitted.
In two-photon ionization spectroscopy, the combined energies carried by two different photons are used to remove an electron from an atom or molecule. In such an experiment, a K atom in the gas phase is to be ionized by two different light beams, one of which has a 650-nm wavelength. What is the maximum wavelength for the second beam that will cause two-photon ionization?
In the Brackett series, nlo=4. (a) Calculate the wavelength in nanometers of a transition from n=6 to n=4. (b) In what spectral region are these lines formed?
Chapter 3 introduced the concept of a double bond between carbon atoms, represented by C=C , with a length near 1.34 Å. The motion of an electron in such a bond can be treated crudely as motion in a one-dimensional box. Calculate the energy of an electron in each of its three lowest allowed states if it is confined to move in a one-dimensional box of length 1.34 Å. Calculate the wavelength of light necessary to excite the electron from its ground state to the first excited state.
Explain why the wave model for radiation cannot account for the photoelectric effect.
Cesium is used extensively in photocells and in television cameras because it has the lowest ionization energy of all the stable elements. (a) What is the maximum kinetic energy of a photoelectron ejected from cesium by 520 nm light? Note that if the wavelength of the light used to irradiate the cesium surface becomes longer than 660 nm, no photoelectrons are emitted. (b) Use the rest mass of the electron to calculate the velocity of the photoelectron in (a).
atom initially Sn its ground state n-), absors a photon and ends excited state where n= 3. pan an is the auarelength and the frequen Cy of the phonton? in nanometers b) Now the elecron oponstaneasly emits a photon and therefore return S state (nzz): What is the frequen Cy of the protor emitted during this proces s? iing are the correspending energies of the photons described in I need arswer 46) 2)Phosphors (p), lalciom (ca) and titaniom Gi) full electron blcimplifiyyars Donzwer in a) u sing He nodle gas notation c)provied He quantum num ber tor on titu highest ererqy Valence electon in each atom dwhaph or the 3 elements above has aulunbbell-Shaped চ पानमदण् electron?! energy valen ce 3 g atomi c vadium order N, As, Bi 3 la Rank decreasin 6 Rank Increasi ng Ga, Br hr electron aff;nity Senten ces जि
Hydra atom initially sn its around state (nei), absods a photon and ends up an etcited state where n= 3. %3D a lwhat is the cuave of the phontons length and the Frequen Cy in nanometers photon and therefore return s y of the proton b) Now the eletron oponstaneasly emits a to a lower energy state (nzz): What is the frequen cy Emitted this process? during What is the atiotte coresponding wavelength of thisproton? c) What are the corresponding energies of the photons described in a)+6)