Chemistry: An Atoms First Approach

2nd Edition

ISBN: 9781305079243

Author: Steven S. Zumdahl, Susan A. Zumdahl

Publisher: Cengage Learning

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Textbook Question

Chapter 2, Problem 146AE

An unknown element is a nonmetal and has a valence electron configuration of ns²np⁴

a. How many valence electrons does this element have?

b. What are some possible identities for this element?

c. What is the formula of the compound this element would form with potassium?

d. Would this element have a larger or smaller radius than barium?

e. Would lhis element have a greater or smaller ionization energy than fluorine?

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Chapter 2, Problem 145AE

Chapter 2, Problem 147AE

Chapter 2 Solutions

Chemistry: An Atoms First Approach

Ch. 2 - Four types of electromagnetic radiation (EMR) are...Ch. 2 - Characterize the Bohr model of the atom. In the...Ch. 2 - What experimental evidence supports the quantum...Ch. 2 - List the most important ideas of the quantum...Ch. 2 - What are quantum numbers? What information do we...Ch. 2 - How do 2p orbitals differ from each other? How do...Ch. 2 - Four blocks of elements in a periodic table refer...Ch. 2 - What is the difference between core electrons and...Ch. 2 - Prob. 9RQ Ch. 2 - The radius trend and the ionization energy trend...

Ch. 2 - Prob. 1ALQ Ch. 2 - Defend and criticize Bohrs model. Why was it...Ch. 2 - The first four ionization energies for the...Ch. 2 - Compare the first ionization energy of helium to...Ch. 2 - Which has the larger second ionization energy,...Ch. 2 - Explain why a graph of ionization energy versus...Ch. 2 - Prob. 7ALQ Ch. 2 - Account for the fact that the line that separates...Ch. 2 - Explain electron from a quantum mechanical...Ch. 2 - Choose the best response for the following. The...Ch. 2 - Consider the following statement "The ionization...Ch. 2 - Prob. 12ALQ Ch. 2 - How does probability fit into the description of...Ch. 2 - Prob. 14ALQ Ch. 2 - Prob. 15ALQ Ch. 2 - Is the following statement true or false? The...Ch. 2 - Which is higher in energy, the 2s or 2p orbital,...Ch. 2 - Prove mathematically that it is more energetically...Ch. 2 - What type of relationship (direct or inverse) e...Ch. 2 - What do we mean by the frequency of...Ch. 2 - Explain the photoelectric effect Ch. 2 - Describe briefly why the study of electromagnetic...Ch. 2 - How does the wavelength of a fast-pitched baseball...Ch. 2 - The following is an energy-level diagram for...Ch. 2 - The Bohr model works for only one electron...Ch. 2 - We can represent both probability and radial...Ch. 2 - Prob. 27Q Ch. 2 - The periodic table consists of four blocks of...Ch. 2 - Prob. 29Q Ch. 2 - Prob. 30Q Ch. 2 - Elements with very large ionization energies also...Ch. 2 - Prob. 32Q Ch. 2 - Prob. 33Q Ch. 2 - Scientists use emission spectra to confirm the...Ch. 2 - Does the minimization of electron-electron...Ch. 2 - Prob. 36Q Ch. 2 - Prob. 37Q Ch. 2 - Many more anhydrous lithium salts are hygroscopic...Ch. 2 - The laser in an audio CD player uses light with a...Ch. 2 - An FM radio station broadcasts at 99.5 MHz....Ch. 2 - Microwave radiation has a wavelength on the order...Ch. 2 - A photon of ultraviolet (UV) light possesses...Ch. 2 - Octyl methoxycinoamate and oxybenzone are common...Ch. 2 - Human color vision is " produced" by the nervous...Ch. 2 - Consider the following waves representing...Ch. 2 - One type of electromagnetic radiation has a...Ch. 2 - Carbon absorbs energy at a wavelength of 150. nm....Ch. 2 - X rays have wavelengths on the order of 1 1010 m....Ch. 2 - The work function of an element is the energy...Ch. 2 - It takes 208.4 kJ of energy to remove 1 mole of...Ch. 2 - It takes 7.21 1019 J of energy to remove an...Ch. 2 - Ionization energy is the energy required to remove...Ch. 2 - Calculate the de Broglie wavelength for each of...Ch. 2 - Neutron diffraction is used in determining the...Ch. 2 - A particle has a velocity that is 90.% of the...Ch. 2 - Calculate the velocities of electrons with de...Ch. 2 - Calculate the wavelength of light emiued when each...Ch. 2 - Calculate the wavelength of light emitted when...Ch. 2 - Using vertical lines, indicate the transitions...Ch. 2 - Using vertical lines, indicate the transitions...Ch. 2 - Calculate the longest and shortest wavelengths of...Ch. 2 - Assume that a hydrogen atoms electron has been...Ch. 2 - Does a photon of visible light ( 400 to 700 nm)...Ch. 2 - An electron is excited from the n = 1 ground state...Ch. 2 - Calculate the maximum wavelength of light capable...Ch. 2 - Consider an electron for a hydrogen atom in an...Ch. 2 - An excited hydrogen atom with an electron in the n...Ch. 2 - An excited hydrogen atom emits light with a...Ch. 2 - Using the Heisenberg uncertainty principle,...Ch. 2 - The Heisenberg uncertainty principle can be...Ch. 2 - What are the possible values for the quantum...Ch. 2 - Identify each of the following orbitals and...Ch. 2 - Which of the following sets of quantum numbers are...Ch. 2 - Which of the following sets of quantum numbers are...Ch. 2 - What is the physical significance of the value of...Ch. 2 - In defining the sizes of orbitals, why must we use...Ch. 2 - Total radial probability distributions for the...Ch. 2 - Tbe relative orbital levels for the hydrogen atom...Ch. 2 - How many orbitals in an atom can have the...Ch. 2 - How many electrons in an atom can have the...Ch. 2 - Give the maximum number of electrons in an atom...Ch. 2 - Give the maximum number of electrons in an atom...Ch. 2 - Draw atomic orbital diagrams representing the...Ch. 2 - For elements l36, there are two exceptions to the...Ch. 2 - The elements Si, Ga, As, Ge, Al, Cd, S, and Se are...Ch. 2 - The elements Cu, O, La, Y, Ba, Tl, and Bi are all...Ch. 2 - Write the expected electron configurations for...Ch. 2 - Write the expected electron configurations for...Ch. 2 - The four most abundant elements by mass in the...Ch. 2 - The first-row transition metals from chromium...Ch. 2 - Write the expected ground-state electron...Ch. 2 - Using only the periodic table inside the front...Ch. 2 - Given the valence electron orbital level diagram...Ch. 2 - Identify the following elements. a. An excited...Ch. 2 - In the ground state of mercury, Hg, a. how many...Ch. 2 - In the ground state of element 115, Uup, a. how...Ch. 2 - Give a possible set of values of the four quantum...Ch. 2 - Give a possible set of values of the four quantum...Ch. 2 - Valence electrons are those electrons in the...Ch. 2 - How many valence electrons do each of the...Ch. 2 - A certain oxygen atom has the electron...Ch. 2 - Which of the following electron configurations...Ch. 2 - Which of elements 1-36 have two unpaired electrons...Ch. 2 - Which of elements 1-36 have one unpaired electron...Ch. 2 - One bit of evidence that the quantum mechanical...Ch. 2 - Identify how many unpaired electrons are present...Ch. 2 - Prob. 107E Ch. 2 - Arrange the following groups of atoms in order of...Ch. 2 - Arrange the atoms in Exercise 107 in order of...Ch. 2 - Arrange the atoms in Exercise 108 in order of...Ch. 2 - In each of the following sets, which atom or ion...Ch. 2 - In each of the following sets, which atom or ion...Ch. 2 - Prob. 113E Ch. 2 - The first ionization energies of As and Se are...Ch. 2 - Rank the elements Be, B, C, N, and O in order of...Ch. 2 - Prob. 117E Ch. 2 - The following graph plots the first, second, and...Ch. 2 - Prob. 119E Ch. 2 - For each of the following pairs of elements (Mg...Ch. 2 - The electron affinities of the elements from...Ch. 2 - In the second row of the periodic table, Be, N,...Ch. 2 - Prob. 123E Ch. 2 - Order the atoms in each of the following sets from...Ch. 2 - The electron affinity for sulfur is more negative...Ch. 2 - Which has the more negative electron affinity, the...Ch. 2 - Write equations corresponding to the following: a....Ch. 2 - Using data from the text, determine the following...Ch. 2 - Cesium was discovered in natural mineral waters in...Ch. 2 - 'The bright yellow light emitted by a sodium vapor...Ch. 2 - Does the information on alkali metals in Table 2-8...Ch. 2 - Prob. 132E Ch. 2 - Prob. 133E Ch. 2 - Complete and balance the equations for the...Ch. 2 - Prob. 135AE Ch. 2 - A carbon-oxygen double bond in a certain organic...Ch. 2 - Mars is roughly 60 million km from the earth. How...Ch. 2 - Consider the following approximate visible light...Ch. 2 - One of the visible lines in the hydrogen emission...Ch. 2 - Prob. 140AE Ch. 2 - Are the following statements true for the hydrogen...Ch. 2 - Prob. 142AE Ch. 2 - The four most abundant elements by mass in the...Ch. 2 - Which of the following orbital designations are...Ch. 2 - The successive ionization energies for an unknown...Ch. 2 - An unknown element is a nonmetal and has a valence...Ch. 2 - While Mendeleev predicted the existence of several...Ch. 2 - Photosynthesis uses 660-nm light to convert CO2...Ch. 2 - Photogray lenses incorporate small amounts of...Ch. 2 - It takes 476 kJ to remove 1 mole of electrons from...Ch. 2 - Prob. 151CWP Ch. 2 - Prob. 152CWP Ch. 2 - Determine the maximum number of electrons that can...Ch. 2 - Consider the ground state of arsenic, As. How many...Ch. 2 - Which of the following statements is(are) true? a....Ch. 2 - Identify the following three elements. a. The...Ch. 2 - Prob. 157CWP Ch. 2 - Prob. 158CWP Ch. 2 - Three elements have the electron configurations...Ch. 2 - One of the emission spectral lines for Be3+ has a...Ch. 2 - The figure below represents part of the emission...Ch. 2 - When lhe excited electron in a hydrogen atom falls...Ch. 2 - Prob. 163CP Ch. 2 - For hydrogen atoms, the wave function for the...Ch. 2 - The wave function for the 2pz, orbital in the...Ch. 2 - Answer the following questions, assuming that ms,...Ch. 2 - Assume that we are in another universe with...Ch. 2 - Without looking at data in the text, sketch a...Ch. 2 - The following numbers are the ratios of second...Ch. 2 - We expect the atomic radius to increase going down...Ch. 2 - The ionization energy for a 1s electron in a...Ch. 2 - Answer the following questions based on the given...Ch. 2 - As the weapons officer aboard the Srarship...

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Solution Summary: The author explains that an unknown element is a nonmetal and has valence electron configuration of ns>2>np>4>.

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Chapter 2 Solutions