Answer: A polyatomic ion is composed of C, N, and an
Chapter 8, Problem 8.189(choose chapter or problem)
A polyatomic ion is composed of C, N, and an unknown element X. The skeletal Lewis structure of this polyatomic ion is [XOCON]2. The ion X22 has an electron configuration of [Ar]4s2 3d104p6 . What is element X? Knowing the identity of X, complete the Lewis structure of the polyatomic ion, including all important resonance structures.
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