Use the electron affinity (EA) data for Cl, Br, and I, along with your knowledge of periodic trends, to estimate the electron affinity of astatine to two significant figures. Atom Cl Br I At EA (aJ) -0.580 -0.540 -0.490 ?
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- 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 1210A districtims.seattleschools.org/common-assessment-delivery/start/4777996531?action3Donresume&submissionld%3D464527652 Below is a picture of the first three groups on the periodic table. 1. Draw a "circle" around the element with the strongest attractive force between the proton(s) and electron(s). 2. Draw an "X" over the element with the weakest attractive force between the proton(s) and electron(s). x Clear A Undo A Redo H. 37 Li 152 Ве 111 80 74 73 7. Na 186 Mg 160 Al Si 118 143 110 103 10 1. 3. エ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 atom
- cacl calcudate the dowest pssible of Calculate ++ energy also 1on and the energy vequired electron to vemuve an from hi ions ++OWLV2 | Online teachir X OWLV2 | Online teachir X b My Questions bartleb X O mySigTau x M COMM.1113: FUND OF ow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] Arrange the following atoms in the order of increasing ionization energy, by numbering them from 1(lowest) to 4 (highest): 1A 7A 8A Metals H. 2A 3A 4A 5A 6A Н Не Metalloids LI Be Nonmetals B CNO F Ne Na Mg 3B 4B 5B 6B 7B 8B 1B 2B Al Si P S C Ar K Ca Sc TI V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg TI Pb BI Po At Rn Fr Ra Ac RF Db Lanthanides Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Actinides Th Pa UNp Pu Am Cm Bk Cf Es Fm Md No Lr Si: K: P: Ca: Submit Answer Try Another Version 3 item attempts remaining8) Arrange affinity (less negative Na,S, and CI the following inorder of increasiing electron tomore negative).
- in ne taist ME He Pa Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( DA Try percet HO19 of 44 > © Macmillan Learning In the given three-dimensional molecular structure, the differently colored spheres represent different types of atoms. Write a molecular formula for this molecule. molecular formula: 4 R % 67 68 5 1 SPECIAL xº (g) ΔΣΩ λμπ X₁ X () 6 [] (s) Y (1) (aq) →>>> MacBook Pro The 11 7 U t CLR 8 K →>> 9 Rotate X You 9 Rotate Y ( 0 ☐C □H D Rotate Z 0 Zoom In P O Zoom Out Attempt A Label Atoms CEnergy is required to remove two electrons from Ca to formCa2+, and energy is required to add two electrons to O toform O2 - . Yet CaO is stable relative to the free elements.Which statement is the best explanation? (a) The latticeenergy of CaO is large enough to overcome these processes.(b) CaO is a covalent compound, and these processes areirrelevant. (c) CaO has a higher molar mass than either Ca orO. (d) The enthalpy of formation of CaO is small. (e) CaO isstable to atmospheric conditions.
- Calculate the electron affinity of Cl from the followingdata for NaCl, and compare your result with thevalue in Appendix B-1 : Cl2 bond energy = 239 kJ/mol;Hf (NaCl) = -413 kJ/mol; Hsub(Na) = 109 kJ/mol;IE(Na) = 5.14 eV; and r+ + r- = 281 pm.Determine the average Cl-F bond energy, in units of kJ mol¯, in CIF5, using t following data: • Cl2(g) + 5 F2(g) → 2 CIF5(g) A,H° = -477 kJ mol-1 159 kJ mol-1 • bond energy F-F: • bond energy Cl-Cl: 243 kJ mol-1<- → C G immensely s x ALEKS x G is iodine a m x = A ALEKS-Sat x Co. Main Group X SN Periodic Tab X | www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQgHIvdL2donGg9plnQUm9kiGJhghYuAiZL4_LWdlJcpu5NFnVTrtxJQ-dllibzoJekXVdleVI8ECEJ3... Chapter Content -... KH Chapter Content -... Q Chemistry lab Flas... Untitled documen... Campbell Biology... dis 0 ne 'Low FODMAP ric... M Gmail O ELECTROCHEMISTRY Writing and balancing complex half-reactions in acidic solution Explanation 280 Check School planner -... KH 100 V Write a balanced half-reaction for the reduction of gaseous nitrogen (N₂) to aqueous hydrazine (N₂H4) in acidic aqueous solution. Be sure to add physical state symbols where appropriate. 14 OO 48 tv 2 ローロ MacBook Air è X (312) ALEKS X S 98 3/5 4. Periodic Tab x G thallium-G x + Sabrina V 335 Fri Apr ? 0 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility IN 07 olo 19 D