How do you write the formulas and the names of compounds with polyatomic ions?
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as the name suggested poly means many . polyatomic ions means the combinations of many ionic compounds like caco3 . here the CA means calciumis a ionic compound and c o 3 is another ionic compound they both are combined each other and makes the polyatomic ion.
there are many examples of the polyatomic ions . first is hydrogen dioxide h20 generally called water.
another examples we can take is NaCl
above in picture you would learn how to molecular formulas of this ionic compound .
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