Charge on stable ion formed Enter as a number, e.g. 1,2,-1,-2 Which of the following is isoelectronic with Br? Select all that apply. 0 O Sr²+ Se Se²- Kr or Ar Br CI Ca²+ Cl
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- 8) Arrange affinity (less negative Na,S, and CI the following inorder of increasiing electron tomore negative).QUESTION ONE a. Complete the electron configurations using s, p, d notation for the following atoms or ions: CI Zn2+ AI3+ Cr b. State which has the larger radius, Al or Al3+. Justify your answer: Expl the factors infuench e ns ret loton neroy and ao Deriod snd dosna group ter to hese oloments. c. (i) Explain what is meant by first ionisation energy. (ii) Write a balanced equation for the first ionisation of a chlorine atomConsider the following data for bromine: atomic mass electronegativity electron affinity ionization energy heat of fusion 79.904 2.96 324.6 1139.9 5.8 g mol kJ mol kJ mol kJ mol You may find additional useful data in the ALEKS Data tab. 2+ + (2) Br (g) + e → Br (g) Does the following reaction absorb or release energy? (1) Br (g) + e → Br(g) Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): release absorb Can't be decided with the data given. yes no kJ/mol release absorb Can't be decided with the data given. yes no kJ/mol olo 18 Ar
- in ne taist ME He Pa Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( DA Try percet HODetermine 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 1210Draw Lewis structures for the following species: Br2Se, NCCN, GeO4 4- , HO2 - , NBr4 + . Write down the condensed electron configuration of the following ions: a) Fe+ b) Zn c) Ga2+ d) Cu3+
- 18 - for Cl, Cl + and Cl- ions;Cl- is the largest number of electronsII. Stripping electrons from the Cl + ion is most difficultIII. Neutral Cl atom and Cl- ions have equal radiiWhich of his judgments are correct? A) Only IIIB) I, IIC) I, IIID) I onlyE) I, II, III1) give the electron configuration, (not condensed or orbital) for the imaginary ion Ge^-2 3) give the electron configuration, (not condensed or orbital) 7) what would the electron configuration of nickel look like if the quantum theory was the exact same as ours now except that each orbital was able to hold three electrons instead of two? What would the most stable ion of nickel look like and why would it be stable?G The element in period 5 that has X akeCovalentActivity.do?locator assignment-take and lea X Submit Answer [Review Topics] [References] Use the References to access important values if needed for this question. The following Lewis diagram represents the valence electron configuration of a main-group element. •X. If this element is in period 5, its valence electron configuration is C Solved The following Lewis diagr X Retry Entire Group 9 more 8 CONS 144 G O Common Greek(upper) Greek(lower) Arrows Other XB Xu Aa (s) (1) (g) (aq) Undo Redo Clear Help L A + 0 Ox 0 0 + brt so backspace Previous Next> ENG P4D home Joci 12 ☆ 11:56 AM 11/28/2022 Rende 1 O bouq
- Which ion is unlikely to exist?? Se2-, Rb2+, Ca2+, Br-, As3-What is the element has five 4p valence electrons? what ion will itform?4:25 1 ull 5G D Send a chat Be sure to answer all parts. Hint The American chemist Robert S. Mulliken suggested a different definition for the electronegativity (EN) of an element, given by IE, Solution Element EA kJ/mol kJ/mol Guided Solution IE, + EA EN = 1314 141 2 1680 328 where IE, is the first ionization energy and EA is the electron affinity of CI 1256 349 the element. Calculate the electronegativities of O, F, and Cl using the preceding equation and the data in the table. EN(O) = kJ/mol EN(F) = kJ/mol EN(CI) = kJ/mol Determine the electronegativities of these elements on the Mulliken and Pauling scales. (To convert to the Pauling scale, divide each EN value by 230 kJ/mol.) Mulliken EN(F) Mulliken EN(CI) Mulliken EN(0) Pauling scale = Pauling scale = Pauling scale = (Pauling EN(CI) = 3.0) (Pauling EN(O) = 3.5) (Pauling EN(F) = 4.0)