This quiz tests to see if you can identify the formulas of a polyatomic ions. Select the answer choice with the correct name of the given formula.
Questions: 60 | Attempts: 873 | Last updated: Jan 15, 2013
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Polyatomic ions are basic building blocks of ionic compounds. They consist of names, charges and formulas. Hence mastering them is a skill.Have you adopted it? Lets see.
Questions: 8 | Attempts: 323 | Last updated: Jul 28, 2015
CrO42-is the name of which chemical?