Answer the questions below concerning ground state electron configurations. (a) What element has the electron configuration [Ar]3 d 6 4 s 2 ? (b) What element has a 2+ ion with the configuration [Ar]3 d 5 ? Is the ion paramagnetic or diamagnetic? (c) Mow many unpaired electrons are in a Ni 2+ ion? (d) The configuration for an element is given here. What is the identity of the element? Is a sample of the element paramagnetic or diamagnetic? How many unpaired electrons does a 3− ion of this element have? (e) What element has the following electron configuration? Write a complete set of quantum numbers for electrons 1-3.

BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

Solutions

Chapter 7, Problem 60GQ
Textbook Problem

Answer the questions below concerning ground state electron configurations.

  1. (a) What element has the electron configuration [Ar]3d64s2?
  2. (b) What element has a 2+ ion with the configuration [Ar]3d5? Is the ion paramagnetic or diamagnetic?
  3. (c) Mow many unpaired electrons are in a Ni2+ ion?
  4. (d) The configuration for an element is given here.

Chapter 7, Problem 60GQ, Answer the questions below concerning ground state electron configurations. (a) What element has the , example  1

What is the identity of the element? Is a sample of the element paramagnetic or diamagnetic? How many unpaired electrons does a 3− ion of this element have?

  1. (e) What element has the following electron configuration? Write a complete set of quantum numbers for electrons 1-3.

Chapter 7, Problem 60GQ, Answer the questions below concerning ground state electron configurations. (a) What element has the , example  2

Chapter 7, Problem 60GQ, Answer the questions below concerning ground state electron configurations. (a) What element has the , example  3

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Chapter 7 Solutions

Chemistry & Chemical Reactivity
Ch. 7.4 - 2. Which of the following ions has the largest...Ch. 7.4 - Which of the following species is most...Ch. 7.5 - Without looking at the figures for the periodic...Ch. 7.5 - What is the trend in sizes of the ions K+, S2, and...Ch. 7.5 - Locate the elements C, N, Si, and P in the...Ch. 7.6 - Give the electron configurations for iron and the...Ch. 7.6 - In hemoglobin, iron can be in the iron(II) or...Ch. 7.6 - Why are copper atoms (radius = 128 pm) slightly...Ch. 7.6 - In hemoglobin, the iron is enclosed by the...Ch. 7.6 - 1. Which of the following is an incorrect...Ch. 7.6 - 2. Which of the following is not the formula for a...Ch. 7.6 - The most common oxidation state of a rare earth...Ch. 7.6 - This textbook places lanthanum directly below...Ch. 7.6 - Gadolinium has eight unpaired electrons, the...Ch. 7.6 - Use the atomic radii of scandium, yttrium,...Ch. 7.6 - Europium oxide (Eu2O3) is used in the production...Ch. 7.6 - Neodymium is commonly used in magnets, usually as...Ch. 7 - Write the electron configurations for P and CI...Ch. 7 - Write the electron configurations for Mg and Ar...Ch. 7 - Using spdf notation, write the electron...Ch. 7 - Using spdf notation, give the electron...Ch. 7 - Depict the electron configuration for each of the...Ch. 7 - Using spdf and noble gas notations, write electron...Ch. 7 - Use noble gas and spdf notations to depict...Ch. 7 - The lanthanides, once called the rare earth...Ch. 7 - Americium, Am, is a radioactive element isolated...Ch. 7 - Predict electron configurations for the following...Ch. 7 - What is the maximum number of electrons that can...Ch. 7 - What is the maximum number of electrons that can...Ch. 7 - Depict the electron configuration for magnesium...Ch. 7 - Depict the electron configuration for phosphorus...Ch. 7 - Using an orbital box diagram and noble gas...Ch. 7 - Using an orbital box diagram and noble gas...Ch. 7 - Using orbital box diagrams, depict an electron...Ch. 7 - Using orbital box diagrams, depict an electron...Ch. 7 - Using orbital box diagrams and noble gas notation,...Ch. 7 - Using orbital box diagrams and noble gas notation,...Ch. 7 - Manganese is found as MnO2 in deep ocean deposits....Ch. 7 - One compound found in alkaline batteries is NiOOH,...Ch. 7 - Arrange the following elements in order of...Ch. 7 - Arrange the following elements in order of...Ch. 7 - Select the atom or ion in each pair that has the...Ch. 7 - Select the atom or ion in each pair that has the...Ch. 7 - Which of the following groups of elements is...Ch. 7 - Arrange the following atoms in order of increasing...Ch. 7 - Compare the elements Na, Mg, O, and P. (a) Which...Ch. 7 - Compare the elements B. Al, C, and Si. (a) Which...Ch. 7 - Explain each answer briefly. (a) Place the...Ch. 7 - Explain each answer briefly. (a) Rank the...Ch. 7 - Identify the element that corresponds to each of...Ch. 7 - Identify the element that corresponds to each of...Ch. 7 - Explain why the photoelectron spectra of hydrogen...Ch. 7 - Sketch the major features (number of peaks and...Ch. 7 - These questions are not designated as to type or...Ch. 7 - The deep blue color of sapphires comes from the...Ch. 7 - Using an orbital box diagram and noble gas...Ch. 7 - The rare earth elements, or lanthanides, commonly...Ch. 7 - A neutral atom has two electrons with n = 1, eight...Ch. 7 - Element 109, now named meitnerium (in honor of the...Ch. 7 - Which of the following is not an allowable set of...Ch. 7 - A possible excited state for the H atom has an...Ch. 7 - The magnet in the following photo is made from...Ch. 7 - Name the element corresponding to each...Ch. 7 - Arrange the following atoms in order of increasing...Ch. 7 - Rank the following in order of increasing...Ch. 7 - Answer the questions below about the elements A...Ch. 7 - Answer (he following questions about the elements...Ch. 7 - Which of the following ions are unlikely to be...Ch. 7 - Place the following ions in order of decreasing...Ch. 7 - Answer each of the following questions: (a) Of the...Ch. 7 - The following are isoelectronic species: Cl, K+,...Ch. 7 - Compare the elements Na. B. Al, and C with regard...Ch. 7 - Two elements in the second transition series (Y...Ch. 7 - The configuration for an element is given here....Ch. 7 - The configuration of an element is given here. (a)...Ch. 7 - Answer the questions below about the elements A...Ch. 7 - Answer the questions below concerning ground state...Ch. 7 - Nickel(II) formate [Ni(HCO2)2] is widely used as a...Ch. 7 - Spinets are solids with the general formula M2+...Ch. 7 - The following questions use concepts from this and...Ch. 7 - Which ions in the following list are not likely to...Ch. 7 - Answer the following questions about first...Ch. 7 - The ionization of the hydrogen atom can be...Ch. 7 - Compare the configurations below with two...Ch. 7 - The bond lengths in Cl2, Br2, and I2 are 200, 228,...Ch. 7 - Write electron configurations to show the first...Ch. 7 - What is the trend in ionization energy when...Ch. 7 - (a) Explain why the sizes of atoms change when...Ch. 7 - Which of the following elements has the greatest...Ch. 7 - What arguments would you use to convince another...Ch. 7 - Explain why the first ionization energy of Ca is...Ch. 7 - The energies of the orbitals in many elements have...Ch. 7 - The ionization energies for the removal of the...Ch. 7 - Using your knowledge of the trends in element...Ch. 7 - The densities (in g/cm3) of elements in Croups 6B,...Ch. 7 - The discovery of two new elements (atomic numbers...Ch. 7 - Explain why the reaction of calcium and fluorine...Ch. 7 - Thionyl chloride. SOCl2, is an important...Ch. 7 - Sodium metal reacts readily with chlorine gas to...Ch. 7 - Slaters rules are a way to estimate the effective...

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