Look at the following electron configurations. Which of the atoms will have similarchemical properties?1. 1s 2322p42. 1s22:22p33. 1s 25 2p°3s 3p^4s?310 4p42 and 31 and 21 and 3all of them

The chemical properties of an element is mainly determined by the electrons present in their…

Answered: Look at the following electron…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter8: The Periodic Table: Structure And Trends

Section: Chapter Questions

Problem 8.100QE

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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-1ΔHL(KCl) = 719 kJmol-1
Despite the expected decrease in atomic size, there is an un-expected drop in the first ionization energy between Groups2A(2) and 3A(13) in Periods 2 through 4. Explain this pattern interms of electron configurations and orbital energies.
(a) Account for formation of the following series of oxidesin terms of the electron configurations of the elementsand the discussion of ionic K2O, CaO, Sc2O3, TiO2, V2O5, CrO3. (b) Name these oxides.(c) Consider the metal oxides whose enthalpies of formation(in kJ mol -1) are listed here. Calculate the enthalpy changes in the following general reactionfor each case:MnOm(s) + H2(g)----->nM(s) + mH2O(g)(You will need to write the balanced equation for each caseand then compute ΔH°.) (d) Based on the data given, estimatea value of ΔHf° for Sc2O3(s).
The reaction of lithium with sulfur is similar to that of sodium with sulfur. Write the balanced chemical equation for the reaction of lithium with sulfur. Include phase symbols.
At large interatomic separations, an alkali halide moleculeMX has a lower energy as two neutral atoms, M + X; atshort separations, the ionic form (M+)(X-) has a lowerenergy. At a certain distance, Rc, the energies of the twoforms become equal, and it is near this distance that theelectron will jump from the metal to the halogen atom during a collision. Because the forces between neutral atomsare weak at large distances, a reasonably good approximation can be made by ignoring any variation in potentialV(R) for the neutral atoms between Rc and R - `. For theions in this distance range, V(R) is dominated by theirCoulomb attraction.(a) Express Rc for the first ionization energy of the metalM and the electron affinity of the halogen X.(b) Calculate Rc for LiF, KBr, and NaCl using data fromAppendix F.
Determine the second ionization energy of calcium (in kJ mol-1) from the given data (all in kJ mol-1): AH°[CaCl,(s)] = -796 AH¡[Ca(g)] = 178 AH°[CI(g)] = 122 First ionization energy of Ca(g) = 590 Electron affinity of Cl(g) = -349 Lattice enthalpy of CaCl,(s) = -2260 А 1150 В 1235 C 1093 D 1210
( ME 213: Properties of Material) Calculate the force of attraction between a K+ and an O2- ion the centers of whichare separated by a distance of 1.5 nm. My understanding is that in ionic bonds all atoms acquire stable configuration. Here potassium gives oxygen one electron. But oxygen needs two electrons to be stable. Hence it will not be stable.
The electron configuration of an element describes how electrons are distributed in its atomic orbitals. (a) Explain the applications of the Aufbau principle, Hund's rule and the Pauli exclusion principle in relation to electronic configuration of oxygen atom. Explain how these principles determine the stability and reactivity of atoms oxygen.
The first ionization energy of sodium is 496 kJ mol–1. The electron affinity of chlorine is 349 kJ mol–1. What is the total energy change for the process to transfer an electron from sodium to chlorine? Na + Cl → Na+ + Cl– Question 12 options: –147 kJ mol–1 +845 kJ mol–1 +147 kJ mol–1
Los elementos del grupo 7 (VIIb Mn, Tc, Re) con configuración d1 forman oxoaniones MnO42- que son isomorfos e isoelectrónicos al ion sulfato SO42-. Estos oxoaniones tienen geometría tetraédrica. ¿Es esto correcto?
2) Use the following data to place the fictitious metals Q, R, T, X, A, and E into an activity series. R+A+ → N.R. Q+T+ → T + Q+ E + T* → N.R. R +E* → N.R. E +X+ → E+ +X E + Q+ → N.R. X+ + A → A +X+ E+ A+ → E* + A
The first three ionization energies of an element X are 900, 1745, and 14912 kJ·mol–1. What is the most likely formula for the stable ion of X?

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Look at the following electron configurations. Which of the atoms will have similar chemical properties? 1. 1s 2322p4 2. 1s22:22p3 3. 1s 25 2p°3s 3p^4s?310 4p4 2 and 3 1 and 2 1 and 3 all of them