Indicate whether the following follow the Aufbau Principle 1s2 25? 2p6 3s2 3p6 3d10 4s² 1s2 252 2p6 3s2 3p6 4s² 3d10 1s2 252 2p6 3s? 3p6 4s² 3d10 4p6 5s2 4d10 5p6 6s² 5d10 1s2 2s? 2p6 3s? 3p6 4s² 3d10 4p6 5s² 4d10 5p6 6s² 4f10 а. yes b. no
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- IE1 IE2 IE3 IE4 Al 578 1817 2745 11577 Si 786 1577 3232 4356 a) Explain why IE2 > IE1 for Al. b) Explain why IE4 is enoormous for Al, & why it is much smaller for Si.Calculate the degeneracy of the following electronic configurations: Please explain each step (1) p3 d1 (2) d3 (3)1s1 2s1 (4) fWhich of the following represents the electron configuration of S⁻? A) 1s²2s²2p⁶3s²3p⁶ B) 1s²2s²2p⁶3s²3p⁵ C) 1s²2s²2p⁶3s²3p⁴ D) 1s²2s²2p⁶3s²3p³ E) 1s²2s²2p⁶3s²3p²
- Which of the following transitions are electric-dipole allowed?(i) 1Σg+ ↔ 1Σu+, (ii) 3Σg+ ↔ 3Σu+, (iii) π* ↔ n.Identify the representative particle for each formula, and convert the givennumber of representative particles to moles.a. 3.75 × 1 0 24 C O 2 b. 3.58 × 1 0 23 ZnC l 2Arrange the following in order of increasing size: Tc2+ Tc6+ U6+ S2- Ar Select one:Ar < S(2-) < Tc(II) < Tc(VI) < U(VI) S(2-) < Ar < U(VI) < Tc(II) < Tc(VI) S(2-) < Ar < Tc(VI) < Tc(II) < U(VI) Ar < S(-II) < Tc(VI) < Tc(II) < U(VI)
- 4. Define the following terms: Reflection:Rayleigh scattering :Tyndall scattering:Polarization of Radiation:il perimetro di un parallelogramma misua 43.4 sapmdo che il lato minore e (3)/(4)di qulla maggiore. calcola il perimetro di un quadrato avente il lato congruemte alla meta del lato maggiorWhich of the following transitions are electric-dipole allowed?(i) 2Π ↔ 2Π, (ii) 1Σ ↔ 1Σ, (iii) Σ ↔ Δ, (iv) Σ+ ↔ Σ−, (v) Σ+ ↔ Σ+.
- Which set of n, l would not be allowed? A. n= 3, l= 1 B. n = 1, l= 1 C. n-=5, l=2 D. n = 1, l =010. Identify the elements (two of these are irregular, so pay close attention).(a) 1s22s22p63s23p64s23d104p65s24d5 (b) [Xe]6s24f145d106p5(c) 1s22s22p63s23p64s23d104p65s24d105p66s14f145d10 (d) [Rn]7s25f76d1Using this figure, find the most likely range of values for thelattice energy of KF.