Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
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Ionic Radii in an Isoelectronic SeriesArrange the ions K+,

Chapter , Problem 1PE

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Problem        1PE

Ionic Radii in an Isoelectronic Series

Arrange the ions K+, CI-, Ca2+, and S2 - in order of decreasing size.

Arrange the following atoms and ions in order of increasing ionic radius:

Br-, Rb+, Se2 -, Sr2+, Te2 -.

(a)        Sr2 ++-2 - < Te2 -

(b)        Br-2 +< Se2 - < Te2 - < Rb+

(c)        Rb+2+ < Se2 - < Te2 - < Br-

(d)        Rb+-2 +< Se2 - < Te2 -

(e)         Sr2 +< Rb+-2 - < Se2 -

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