Which of the following statements about effective nuclearcharge for the outermost valence electron of an atom is incorrect?(i) The effective nuclear charge can be thought of as thetrue nuclear charge minus a screening constant due to the otherelectrons in the atom. (ii) Effective nuclear charge increasesgoing left to right across a row of the periodic table. (iii) Valenceelectrons screen the nuclear charge more effectively than docore electrons. (iv) The effective nuclear charge shows a suddendecrease when we go from the end of one row to the beginningof the next row of the periodic table. (v) The change in effectivenuclear charge going down a column of the periodic table isgenerally less than that going across a row of the periodic table.
Which of the following statements about effective nuclearcharge for the outermost valence electron of an atom is incorrect?(i) The effective nuclear charge can be thought of as thetrue nuclear charge minus a screening constant due to the otherelectrons in the atom. (ii) Effective nuclear charge increasesgoing left to right across a row of the periodic table. (iii) Valenceelectrons screen the nuclear charge more effectively than docore electrons. (iv) The effective nuclear charge shows a suddendecrease when we go from the end of one row to the beginningof the next row of the periodic table. (v) The change in effectivenuclear charge going down a column of the periodic table isgenerally less than that going across a row of the periodic table.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter5: Quantum Mechanics And Atomic Structure
Section: Chapter Questions
Problem 55AP: The outermost electron in an alkali-metal atom is sometimes described as resembling an electron in...
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Question
Which of the following statements about effective nuclear
charge for the outermost valence electron of an atom is incorrect?
(i) The effective nuclear charge can be thought of as the
true nuclear charge minus a screening constant due to the other
electrons in the atom. (ii) Effective nuclear charge increases
going left to right across a row of the periodic table. (iii) Valence
electrons screen the nuclear charge more effectively than do
core electrons. (iv) The effective nuclear charge shows a sudden
decrease when we go from the end of one row to the beginning
of the next row of the periodic table. (v) The change in effective
nuclear charge going down a column of the periodic table is
generally less than that going across a row of the periodic table.
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