18. The first ionization energy (IE1) is the amount of energy required to move the electron out of the atom completely (from n= 1 to n = o in the Bohr equation). For hydrogen, IE1 = 1310 kJ/mol. Use the Bohr equation and calculate the energy needed to remove the second electron from He". Recall that AE = Efinal - Einitial. Is it easier or harder to remove the electron from He" than from H? Explain. %3D 2 E 'Atom --2.18 x10-18 J 2 n° where Z = atomic number

18. The first ionization energy (IE1) is the amount of energy required to move the electron out of the atom completely (from n= 1 to n = o in the Bohr equation). For hydrogen, IE1 = 1310 kJ/mol. Use the Bohr equation and calculate the energy needed to remove the second electron from He". Recall that AE = Efinal - Einitial. Is it easier or harder to remove the electron from He" than from H? Explain. %3D 2 E 'Atom --2.18 x10-18 J 2 n° where Z = atomic number

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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16) In qualitative terms, how does Bohr's model account for the atomic spectrum of hydrogen? More than one selection may be correct. a) When a hydrogen atom absorbs energy, as it does when an electric discharge passes through it, the electron stays in the orbit having n = 1. b) The energy released when an electron drops from a higher to lower orbit appears as a photon with the appropriate frequency. c) The energy released when an electron drops from a higher to lower orbit appears as a photon with energy equal to the energy difference between the two orbits. d) Electrons are found in orbits of arbitrary energy. e) The energy released when an electron drops from a higher to lower orbit appears as a photon with an arbitrary frequency. f) Electron moves around the nucleus along orbits. g) When a hydrogen atom absorbs energy, as it does when an electric discharge passes through it, the electron is raised from the orbit having n = 1 to a higher orbit, to n = 2 or n = 3 or even higher.
According to the Bohr model, moving from which two levels is considered EXCITATION and requires the MOST ENERGY? O initial n= 0; final n 4 O initial n= 2; fınal n= 8 O initial n- 1; fınal n= 8 O initial n=9; final n= 1 initial n= 3; final n 6
This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means 10 any SI prefix in the ALEKS Data tab.) 21 You can find the meaning of 1400 1200 1000 800 00 energy (z) B 600 -A 400 200 do Use this diagram to complete the table below. Ar What is the energy of the electron in the ground state? zJ Ox10 What is the energy of the electron in the first excited state? ZJ If the electron makes the transition shown by the red arrow, from B to C, will a photon be absorbed or emitted? absorbed O emitted
11. What was the goal of the Bohr model and give one of the two assumptions made for this model. wode onimongs norlw eo1obune bonsnoe in obulonl gniwollol orlt lo 20uount2 aiws.I ort waid c (emioq 0E)show lla
References Use the References to access important values if needed for this question. The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four quantum numbers. For an electron in the 2p orbital shown above, enter a possible value for each quantum number. n = mį = Give ONE example. m, = Give ONE example. Though a given electron only has one value for mi, there are possible m, values for electrons in 2p orbitals.
O ELECTRONIC STRUCTURE Interpreting the angular probability distribution of an orbital This sketch is about 800 pm wide. The coordinate (x, y, and z) axes are also shown. You can rotate the sketch for a better view of the orbital by dragging the slider with your mouse. i II IIIII Suppose an atom with its nucleus at the origin has an electron in a 2p, orbital. Complete each row of the table below by deciding how P, the probability of finding the electron at point A, compares to PR, the probability of finding the electron at point B. point A point B compare PA to P P 100 pm in front of the nucleus, along the -y axis. 100 pm to the left of the nucleus, along the -x axis. O P. = P. O P, > P 100 pm behind the nucleus, along the +y axis. 100 pm below the nucleus along the -z axis. O P, = P O P,> P O P, P, Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility MacBook Pro
In qualitative terms, how does Bohr's model account for the atomic spectrum of hydrogen? More than one selection may be correct. O When a hydrogen atom absorbs energy, as it does when an electric discharge passes through it, the electron stays in the orbit having n = 1. %3D O The energy released when an electron drops from a higher to lower orbit appears as a photon with the appropriate frequency. The energy released when an electron drops from a higher to lower orbit appears as a photon with energy equal to the energy difference between the two orbits. Electrons are found in orbits of arbitrary energy. The energy released when an electron drops from a higher to lower orbit appears as a photon with an arbitrary frequency. Electron moves around the nucleus along orbits. When a hydrogen atom absorbs energy, as it does when an electric discharge passes through it, the electron is raised from the orbit having n = 1 to a higher orbit, to n = 2 or n = 3 or even higher.
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