In Universe L, recently discovered by an intrepid team of chemists who also happen to have studied interdimensional travel, quantum mechanics works just as itdoes in our universe, except that there are four d orbitals instead of the usual number we observe here.Use these facts to write the ground-state electron configurations of the seventh and eighth elements in the first transition series in Universe L.Note: you may use [X] to stand for the electron configuration of the noble gas at the end of the row before the first transition series.seventh transition metal:eighth transition metal:

Hund’s rule states that while filling the electrons in the orbitals, first single electron occupied…

Answered: In Universe L, recently discovered by…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter5: Electron Configurations And The Periodic Table

Section: Chapter Questions

Problem 49QRT

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A metallic element reacts vigorously with water, evolving hydrogen gas. An excited atom of this element has its outer electron in the 3p orbital. When this electron drops to its ground state in the 3s orbital, light is emitted of wavelength 589 nm What is the identity of the element? Explain how you arrived at your answer. What is the color of the emitted light?
r Questions 11—13, you will need to consider ionizations beyond the first ionization energy. For example, the second ionization energy is the energy to remove a second electron from an element. Compare the first ionization energy of helium to its second ionization energy, remembering that both electrons come from the 1s orbital. l> X Y First 170 200 second 350 400 Third 1800 3500 fouth 2500 5000 entify the elements X and Y. There may be more than one answer. so explain completely.
6.82 A particular element has the following values for its first four ionization energies: 900, 1760, 14, 850, and 21,000 kJ/mol. Without consulting a list of ionization energy values, determine what group in the periodic table this element belongs in.
One bit of evidence that the quantum mechanical model is correct lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit pararamagnetism. The degree to which this effect is observed is directly related to the number of unpaired electrons present in the atom. Consider the ground-state electron configurations for Li, N, Ni, Te, Ba, and Hg. Which of these atoms would be expected to be paramagnetic, and how many unpaired electrons are present in each paramagnetic atom?
What main group in the periodic table has elements with the largest electron affinities for each period? What group of elements has only unstable negative ions?
Describe briefly why the study of electromagnetic radiation has been important to our understanding of the arrangement of electrons in atoms.
Write an orbital diagram for the ground state of the zinc atom. Is the atomic substance diamagnetic or paramagnetic?
Element 106 has been named seaborgium, Sg, in honor of Glenn Seaborg, discoverer of the first transuraniurn element. a. Write the expected electron configuration for element 106. b. What other element would be most like element 106 in its properties?
On which quantum numbers does the energy of an electron depend in each of the following? a. a one-electron atom or ion b. an atom or ion with more than one electron
It takes 7.21 1019 J of energy to remove an electron from an iron atom. What is the maximum wavelength of light that can do this?
Describe the major trends that emerge when atomic radii are plotted against atomic number. Describe the trends observed when first ionization energies are plotted against atomic number.
Consider the eight most abundant elements in the human body, as outlined in Exercise 156. Excluding hydrogen, which of these elements would have the smallest size? largest size? smallest first ionization energy? largest first ionization energy?

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