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Question 4.7: Naming Ionic Compounds That Contain a Polyatomic Ion Name th...

Naming Ionic Compounds That Contain a Polyatomic Ion
Name the compound Li_2Cr_2O_7.

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The name for Li_2Cr_2O_7 is the name of the cation, lithium, followed by the name of the polyatomic ion, dichromate. Its full name is lithium dichromate.

 Li_2Cr_2O_7       lithium dichromate

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