Related questions

Question

A polyatomic ion is composed of C, N, and an unknown element X. The skeletal Lewis structure for this polyatomic ion is [XCN-]. If the ion X electron configuration [Ar] 4s2 3d10 4p6, what is the element X? " the Knowing the identity of X, complete the lewis structure of the polyatomic ion, including all important resonance structures and using the concept of formal charge, determine the most favorable structure