Given the table below, answer the following questions: Group Number (Old) Group Nu Atomic Element Electron Configuration Ovana 1 Number Не 2 1s? 8A 18 Ne 10 1s 2s 2p 8A 18 2 Ar 18 1s 2s 2p 3s? 3p 8A 18 3 Kr 36 1s 2s2 2p 3s? 3p 3d10 4s2 4p 8A 18 4 1s 2s? 2p 3s? 3p 3d10 4s24p 4d10 4f145s 5p 1s 2s? 2p 3s? 3p 3d10 4s2 4ps 4d10 4f145s2 5p6 5d10 6s2 6p Хе 54 8A 18 5 Ra 86 8A 18 6 1. To what group in the periodic table do these elements belong? 2.These elements are called the noble gases. Why? What is the common characteristic of these gases? 3. Light bulbs are filled with Argon gas rather than oxygen gas. Why? 4. From the electron configuration, how many valence electrons do noble gases have? 5. Can we relate the number of valence electrons with the stability of the element?

Given the table below, answer the following questions: Group Number (Old) Group Nu Atomic Element Electron Configuration Ovana 1 Number Не 2 1s? 8A 18 Ne 10 1s 2s 2p 8A 18 2 Ar 18 1s 2s 2p 3s? 3p 8A 18 3 Kr 36 1s 2s2 2p 3s? 3p 3d10 4s2 4p 8A 18 4 1s 2s? 2p 3s? 3p 3d10 4s24p 4d10 4f145s 5p 1s 2s? 2p 3s? 3p 3d10 4s2 4ps 4d10 4f145s2 5p6 5d10 6s2 6p Хе 54 8A 18 5 Ra 86 8A 18 6 1. To what group in the periodic table do these elements belong? 2.These elements are called the noble gases. Why? What is the common characteristic of these gases? 3. Light bulbs are filled with Argon gas rather than oxygen gas. Why? 4. From the electron configuration, how many valence electrons do noble gases have? 5. Can we relate the number of valence electrons with the stability of the element?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter7: The Structure Of Atoms And Periodic Trends

Section: Chapter Questions

Problem 34PS: Identify the element that corresponds to each of the simplified photoelectron spectral data given...

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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 corresponding to 1079, 70.8, 38.0, 5.14 eV, corresponding to 2, 2, 6, and 1 electrons, respectively. (b) There are peaks at energies corresponding to 4043, 443, 351, 48.4, 30.1, and 6.11 eV, corresponding to 2, 2, 6, 2, 6, and 2 electrons, respectively. (c) There are peaks at energies corresponding to 5475, 638, 524, 77, 47, 12. and 7.3 eV, corresponding to 2, 2, 6, 2, 6, 3, and 2 electrons, respectively.
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Which of the following is the correct complete electron configuration notation for Ni2+ ? 1s22s22p63s23p6 1s22s22p63s23p63d6 1s22s22p63s23p64s23d10 1s22s22p63s23p63d8 1s22s22p63s23p64s23d8
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10. Identify the elements (two of these are irregular, so pay close attention).(a) 1s22s22p63s23p64s23d104p65s24d5 (b) [Xe]6s24f145d106p5(c) 1s22s22p63s23p64s23d104p65s24d105p66s14f145d10 (d) [Rn]7s25f76d1
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