Please answer question 4 part A, B, and C Part C[Kr] 5s²4d105p!Express your answer as a chemical symbol.ΑΣφA chemical reaction does not occur for this question.Part D[Kr] 5s?Express your answer as a chemical symbol.ΑΣφA chemical reaction does not occur for this question. Part AUse the periodic table to determine the elementcorresponding to each of the following electronconfigurations.[Ar] 4s²3d1°4p³Express your answer as a chemical symbol.ΑΣφ?A chemical reaction does not occur for this question.Part B[Ar] 4s?Express your answer as a chemical symbol.O.ΑΣφA chemical reaction does not occur for this question.

The electronic configurations given are, A) B) C)

Answered: Jse the periodic table to determine the…

Chemistry

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Chapter8: Bonding: General Concepts

Section: Chapter Questions

Problem 152CP: Think of forming an ionic compound as three steps (this is a simplification, as with all models):...

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Think of forming an ionic compound as three steps (this is a simplification, as with all models): (I) removing an electron from the metal; (2) adding an electron to the nonmetal; and (3) allowing the metal cation and nonmetal anion to come together. a. What is the sign of the energy change for each of these three processes? b. In general, what is the sign of the sum of the first two processes? Use examples to support your answer. c. What must be the sign of the sum of the three process d. Given your answer to part c, why do ionic bonds occur? e. Given your above explanations, why is NaCl stable but not Na2Cl? NaCl2? What about MgO compared to MgO2? Mg2O?
hat is the enthalpy change for a process? Is enthalpy a state function? In what experimental apparatus are enthalpy changes measured?
Which compound in each of the following pairs of ionic substances has the most negative lattice energy? Justify your answers. a. LiF, CsF b. NaBr, NaI c. BaCl2, BaO d. Na2SO4, CaSO4 e. KF, K2O f. Li2O, Na2S
7.107 How do the Lewis symbols for C, Si, and Ge reflect the similarity in their electron configurations?
For which of the following substances is the least energy required to convert one mole of the solid into separate ions? (a) MgO (b) SrO (c) KF (d) CsF (e) MgF2
Using the standard enthalpy of formation data in Appendix G. determine which bond is stronger: the PCl bond in PCl3(g) or in PCl5(g)?
c) TABLE 2 shows several selected thermochemical data. TABLE 2 AH (kJ mol-') Entahlpy Lattice energy of sodium oxide Enthalpy of formation of sodium oxide First ionisation energy of sodium First electron affinity of oxygen Second electron affinity of oxygen Enthalpy of atomization of oxygen -2570.0 -415.9 +495.9 -141.0 +791.0 +247.0 Based on the data in TABLE 2, i. construct the Born-Haber cycle. ii. calculate the enthalpy of atomisation of sodium
Suppose there is an element X which occurs naturally as X2(g).X2(g) + 2O2(g) → X2O4(g)ΔHof of O(g) is 249 kJ/molΔHof of X(g) is 458.5 kJ/molΔHof of X2O4(g) is 31 kJ/molThe X-X single bond energy is 116 kJ/molUse the above data to estimate the average bond energy in X2O4. Give your answer to the nearest 1 kJ/mol.
12 1) Which substance is expected to have the greatest lattice energy * CsCl LiF BaO Bacl, Rb20
Using the following data, calculate the lattice energy of calcium chloride: Ca2+(g) + 2Cl– (g) → CaCl2(s) ΔHlattice = ? Sublimation enthalpy of calcium ΔH = 177.8 kJ/mol First ionization energy of calcium ΔH = 590.2 kJ/mol Second ionization energy of calcium ΔH = 1144.2 kJ/mol First electron affinity of chlorine ΔH = –349 kJ/mol Heat of formation of CaCl2(s) ΔH = –795.4 kJ/mol Bond energy of Cl2 (see Table 2) Use Hess’s law to calculate the lattice energy of calcium chloride. set-up must show all the chemical equations and you must show how their H values add up to give your answer.
Determine the energy change for the reaction Li (s) + ½ Cl2 (g) → LiCl (s) from the following data: Lattice energy of LiCl = −861 kJ/mol Energy to vaporize Li = 159 kJ/mol Ionization energy of Li = 520 kJ/mol Cl2 bond energy: 240 kJ/mol Electron affinity of Cl: −349 kJ/mol I know the answer is -411 kJ/mol I want to know how to solve it and get to the answer.
1. Caleulate the lattice energy of LiF, given the following: Li(s) + %F:(g) → LiF(s) AH =-617 kJ AH = -520 kJ Li"(g) + e(g) → Li(g) Li(s) →Li(g) F(g) → F(g) + e (g) F:(g) →2F(g) AH = 161 kJ AH = 328 kJ AH = 154 kJ

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Jse the periodic table to determine the element corresponding to each of the following electron configurations. [Ar] 4s²3dlº4p³ Express your answer as a chemical syn ΑΣφ DA chemical reaction does not occur fo Part B [Ar] 4s² Express your answer as a chemical syn