Consider the following statements about first ionizationenergies:(i) Because the effective nuclear charge for Mg is greater thanthat for Be, the first ionization energy of Mg is greater thanthat of Be.(ii) The first ionization energy of O is less than that of N becausein O we must pair electrons in one of the 2p orbitals.(iii) The first ionization energy of Ar is less than that of Nebecause a 3p electron in Ar is farther from the nucleus thana 2p electron in Ne.Which of the statements (i), (ii), and (iii) is or are true?(a) Only one of the statements is true.(b) Statements (i) and (ii) are true.(c) Statements (i) and (iii) are true.(d) Statements (ii) and (iii) are true.(e) All three statements are true.
Consider the following statements about first ionizationenergies:(i) Because the effective nuclear charge for Mg is greater thanthat for Be, the first ionization energy of Mg is greater thanthat of Be.(ii) The first ionization energy of O is less than that of N becausein O we must pair electrons in one of the 2p orbitals.(iii) The first ionization energy of Ar is less than that of Nebecause a 3p electron in Ar is farther from the nucleus thana 2p electron in Ne.Which of the statements (i), (ii), and (iii) is or are true?(a) Only one of the statements is true.(b) Statements (i) and (ii) are true.(c) Statements (i) and (iii) are true.(d) Statements (ii) and (iii) are true.(e) All three statements are true.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter2: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 158CWP
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Question
Consider the following statements about first ionization
energies:
(i) Because the effective nuclear charge for Mg is greater than
that for Be, the first ionization energy of Mg is greater than
that of Be.
(ii) The first ionization energy of O is less than that of N because
in O we must pair electrons in one of the 2p orbitals.
(iii) The first ionization energy of Ar is less than that of Ne
because a 3p electron in Ar is farther from the nucleus than
a 2p electron in Ne.
Which of the statements (i), (ii), and (iii) is or are true?
(a) Only one of the statements is true.
(b) Statements (i) and (ii) are true.
(c) Statements (i) and (iii) are true.
(d) Statements (ii) and (iii) are true.
(e) All three statements are true.
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