Writing Formulas with Polyatomic Ions
2,305,565
Published 2013-04-22
socratic.org/chemistry
Here's how to write formulas for ionic compounds that contain polyatomic ions. In order to write formulas for polyatomic ions, you have to look at a chart or table of polyatomic ions to find out what the charge of each one is. Then, you figure out how many other ions will be necessary to balance out the charges and make it neutral.
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