When writing the formula for a compound that contains a
Chapter 7, Problem 7.1.82(choose chapter or problem)
When writing the formula for a compound that contains a polyatomic ion, A. write the anions formula first. B. use superscripts to show the number of polyatomic ions present. C. use parentheses if the number of polyatomic ions is greater than 1. D. always place the polyatomic ion in parentheses.
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