Consider the Lewis structure for the polyatomic oxyanion shown here, where X is an element from the third period (Na-Ar). By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a. identify the central atom, X; b. determine the formal charge of the central atom, X; C. draw a Lewis structure that makes the formal charge on the central atom equal to zero. . :Ö: :0––0: :Ọ: n

Consider the Lewis structure for the polyatomic oxyanion shown here, where X is an element from the third period (Na-Ar). By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a. identify the central atom, X; b. determine the formal charge of the central atom, X; C. draw a Lewis structure that makes the formal charge on the central atom equal to zero. . :Ö: :0––0: :Ọ: n

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 98QRT

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