Learning guidelines -a)Identify the follosingelements bycondensed electron contiqurationsof the element.)neutraltheir(Enter the chemical symbolorname(iv) [Ar] 45? 3d'° 4ps3.(v.) Lxe] los? 4f"sd(w.) []5s° 4d"Sp'

To solve this problem first we have to count the total number of electrons to know it's atomic…

Answered: -a)Identify the following elements by…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter3: Atomic Shells And Classical Models Of Chemical Bonding

Section: Chapter Questions

Problem 13P

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Before the element scandium was discovered in 1879, it was known as “eka-boron.” Predict the properties of scandium from averages of the corresponding properties of its neighboring elements in the periodic table. Compare your predictions with the observed values in Appendix F.
cacl calcudate the dowest pssible of Calculate ++ energy also 1on and the energy vequired electron to vemuve an from hi ions ++
For each of the following pairs of atoms, state which youexpect to have the higher first ionization energy: (a) Bi orXe; (b) Se or Te; (c) Rb or Y; (d) K or Ne.
Rwnatis aaeneral t 1n the periodie talde ? trend from left to eiah Latomic radius increases: metallich character inereases nona of these Latomic radius deeveases s motallic character dacreases tatomic radius increases; metallic character ఎతఆల atomie radius docreases, motallie character increases
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Ironc) ions? a.) I Ar] 30% b.) LArJ406 (.) CAI 45 3 *34"כר JJ1AG 3.) Which of the following election confiquiations for the element boron repreps esent a violation of the Pauliexclusion principol 1.) 11.) n=3 n=3 n=2 n=1 S P n-3 nにス S P
in ne taist ME He Pa Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( DA Try percet HO
(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).
Please provide only typed answer solution no handwritten solution needed allowed . Please do it neat and clean correctly... Thanks
general Chemistry , please solve these questions
The main reason alkali metal dihalides (MX₂) do notformis the high IE₂ of the metal. (a) Why is IE₂ so high for alkalimetals? (b) The IE2for Cs is 2255 kJ/mol, low enough for CsF₂to form exothermically (ΔHf=-125 kJ/mol). This compoundcannot be synthesized, however, because CsF forms with a muchgreater release of heat (ΔHf=-530 kJ/mol). Thus, the break-down of CsF₂ to CsF happens readily. Write the equation for thisbreakdown, and calculate the heat of reaction per mole of CsF.
The dissociation energy of a carbon–bromine bond is typicallyabout 276 kJ/mol. (a) What is the maximum wavelengthof photons that can cause C—Br bond dissociation?(b) Which kind of electromagnetic radiation—ultraviolet,visible, or infrared—does the wavelength you calculated inpart (a) correspond to?

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-a)Identify the following elements by condensed elcotron contiqurations of the element.) neutral their (Enter the chemical symbol or name (iv) [Ar] 45? 3 d'° 4ps 3. (v.) [xeJ los? 4p"5d (v.) [] 5s* 4A"Sp°