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The following are the first four electronic energy levels of
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Chapter 18 Solutions
Physical Chemistry
- 1s2 25? 2p3 is the electronic configuration of O carbon O nitrogen O fluorine O chlorinearrow_forwardWhat is the electron configuration of Al 3* ? O (Ne) 4s2 3p! O (Nc|4s? O (Ar) O (Nc] O (Nc) 25? 3p!arrow_forwardCalculate the fraction of atom sites that are vacant for lead (Pb, Z = 82) at its melting temperature (327 degrees C). Assume that the energy for vacancy formation is 0.55 eV/atom. Calculate the fraction of vacant sites at room temperature (25 degrees C). What is the ratio of these two values?arrow_forward
- Here are the successive ionization energies for strontium Sr (in kJ mol-1): I1 = 550 I2 = 1064 I3 = 4138 I4 = 5500 Which ion should be present in the compounds formed by this element?arrow_forward3. The first excited state of Ca is reached by absorption of 422.7 nm light. What is the energy difference between the ground state and this excited state?arrow_forwardArrange the following ions in order of increasing อ ionic radius Cesium ion, iodide ion, telluride ion, barium ion. Smallest Largest Cst | Ba²+ | Te ²- | I- Ва 24 с. Sarrow_forward
- in ne taist ME He Pa Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( DA Try percet HOarrow_forwardesc →> Docun X 77°F Mostly cloudy ? W 2 Argum X https://app.101edu.co 3+ Use Coulomb's law to calculate the energy in aJ of the following ions to their equilibrium ion-pair separation distance: Fe³+ with radius 55 pm and P3 with a radius of 212 pm. # Life: Th X 13 * 3 f4 $ 101 223.pd X M MyOpe X 4 f5 % Q 5 D21 Home X Feedbe X Archive | Login A1 f6 Question 6 of 35 6 E hp & 7 18 * 00 19 D W 1 4 hoarrow_forwardGroup the electronic configurations of neutral elements in sets according to those you would expect to show similar chemical properties. Note that as long as the configurations are grouped correctly with regard to each other, it does not matter each group. Set A Set B Answer Bank 1s 1s 2 2p² 1s 25 2p 3s23p 6p² 1s 2s 2p 3s 3p®4s² 1. 22 1s 25 2p 3s²3p 25 A stvarrow_forward
- The standard formation enthalpy of KCl is -571 kJmol-1. Plot the Born-Haber cycle and calculate the electron affinity of chlorine with the help of the data below. ΔH ° a (K) = 89 kJmol-1 BE (Cl-Cl) = 244 kJmol-1 IE (K) = 425 kJmol-1 ΔHL (KCl) = 719 kJmol-1arrow_forwardThe quantum numbers for the electron(s) in the valence shell of thallium (81TI) are: NOTE: the designation electron(s) with brackets around the s means that there might be only one: "electron" or there might be more than one: "electrons" O (6,1,-1,2) (6,1,0,½) (6,1,1,½) O (6,1,-1,12) O (6,0,0,±12) (6,1,-1,½) O (6,0,0,±½/2)arrow_forwardThe following figure shows the schematics of the energy and electronic distribution of the carbon monoxide molecule, while the diagrams of the positive and negative carbon monoxide ion are incomplete. What is required is to choose one or two more stable cases out of these three cases, after completing the two diagrams. CO CO 0201 ozp ₂px ₂py N 02P² N 12px N 028 N 025 2py CO b CO C Co d CO = CO 2py 02pz N 12px N 12px 025 025 zpy 2px 5/2 CO First Azpy N 02P: N 2py N 025arrow_forward
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning