What is this? Periodic Table of the Elements18Heus1314151617LiBeSer10Ne+45TO3BLthumCarteNeon6241Beron1201114.0071217CI1416NaMgAISiAr6SteenArganProten422.9903.103097424 J05112324271192526281222TiTarum120213313435736ZEGeGerman7161CaScVCrMnFeCoNi31AsSeBrKrCuGaManganate54.910IrarCobaltZnParssm19 09VanadumChromumNekelAsenicSelertumCaleuScandumCeseBromineKiypten47.88s 42S1.99655.911Gum742240.07844.914424344153TeW54Xe1373839414546151405047PdPlad49MoTcRuRhSb48RbSrYZrNbAgCdInIedmSnTechetumRutheniuTelurnamRhodumופהNiabiumMakbdenammAntmenyXarnRubudumSerantumYermZrconium101.07Sver121360tןבו1269049122492.90695.9498 907102.50sIDA A287 6285PoAt75111,41B47677Os18655Us7-71173747862IB372Hf7956CsBa181TITaReIrPtAuBoPbBiRnHgynh201.980PolonerAarneRanenTurgstenLead2072TantalumRhenuOtmiamVidumCesion(LanthaudesHalniumGeld103.387180 948183 8585.20719023192.22155.00176 49196.47204 2)(32 905137.127100 59116107I0B109110114N89-103Ra104Rf111DsUusUuo105106MtFI Uup Lv112BhHsSgSeaborpum(266DbRgCn UutFrReroum upentiun vermorumunumagmUnunoctm296)BohrimHassiumMekneriuArindes ljatherforda(2611FrancumDuonumunknewninlenown W unlerownRadum(262)[264)[269)1268][272anown221.020226 025697068Er71Lu6162646760636558Tm Yb575966Nd PmSmEuGd TbGadal nm157.25Dy HoLaCePrThulum168.934HelmiumErblamYuerbiumLuterumPraseodymiumNeadymum Premethim140.900SamariumCurosium151.96695Terbium167.2673.04G74.267LanthanumCenum144.930144.24144.913150.35153,915162 50101Md No(38.906140.115100102l10399Es9693U97BkSerkel um98CfCallernum Ensteinium251.OB09294LrLaeranciam899091FmPu Am CmNpNepturium237 048AcThPaFermium Mendalevum NabeinimraniutPutoniumAmeric umCurium257 095258.1Fratactinium231.036MassAtomActiniumThorium238.029244.064243,06247.07247,070227.028232.018ToddEx:39-19=(20 neutronsNeu39098=Ex1T5SI = SiliconProtens: 14Electrons: I4281니3 1니 ne14 neutronSNeutron Si

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Science

Chemistry

What is this?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter7: Atomic Structure And Periodicity

Section: Chapter Questions

Problem 170CWP: For each of the following pairs of elements, choose the one that correctly completes the following...

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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.
For each of the following pairs of elements, choose the one that correctly completes the following table.
Identify the element that corresponds to each of the simplified photoelectron spectral data given below. (Energy data taken from D. A. Shirley, R. L Martin, S. P. Kowalczyk. F. R. McFeely, and L. Ley: Core-electron binding energies of the first thirty elements, Physical Review B, Vol. 15, pp. 544-552, 1977.) (a) There are peaks at energies of 64.8 and 5.4 eV, corresponding to 2 and 1 electrons, respectively. (b) There are peaks at energies of 3614, 384, 301, 40.9, 24.7, and 4.34 eV, corresponding to 2, 2, 6, 2, 6, and 1 electrons, respectively. (c) There are peaks at energies of 4494, 503, 404, 56.4, 33.6, 8.01, and 6.65 eV, corresponding to 2, 2, 6, 2, 6, 1, and 2 electrons, respectively.
What element forms an ion with an electronic configuration of 1s22s22p63s23p63d104s24p6 (or [Kr]) and a −2 charge? Give the symbol for the element.
A. A main group element with the valence electron configuration 3s1 is in periodic group?It forms a monatomic ion with a charge of my ?B. A main group element with the valence electron configuration 2s22p4 is in periodic group?It forms a monatomic ion with a charge of?
Identify each element below. (a) [Kr] 5s24d105p5(b) [Ar] 4s23d5(c) [Xe] 6s24f145d2
An element with the valence electeon configuration 4s1 would form a monatomic ion with a charge of _____. In order to form this ion, the element gain or lose how many electrons from or into the ____ subshell(s). An element with the valence electeon configuration 2s22p3 would form a monatomic ion with a charge of _____. In order to form this ion, the element gain or lose how many electrons from or into the ____ subshell(s).
Determine the second ionization energy of calcium (in kJ mol−1) from the given data (all in kJ mol−1):ΔHf°[CaCl2(s)] = −796ΔHf°[Ca(g)] = 178ΔHf°[Cl(g)] = 122First ionization energy of Ca(g) = 590Electron affinity of Cl(g) = −349Lattice enthalpy of CaCl2(s) = −2260 a)1150 b)1235 c) 1093 d) 1210
A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p⁶3s²3p⁶ What is the chemical symbol of the noe gas this ion is isoelectronic with? What is the formula of the ion?
Which of the following electronic configurations is most characteristic of a non-metallic element? a) 1s2 2s2 2p3 b) 1s2 2s2 2p5 C) 1s2 2s2 2p6 3s1 D) 1s2 2s2 2p6 3s2
An unknown element is a nonmetal and has a valence electron configuration of ns2np4a. How many valence electrons doesthis element have?b. What are some possible identitiesfor this element?c. What is the formula of the compound this element would form withpotassium?d. Would this element have a larger or smaller radius than barium?e. Would 1his element have a greater or smaller ionization energy thanfluorine?
Explain the contributions of Döbereiner and Newlands to the organization of elements according to their properties.