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Chemistry 9 Online
OpenStudy (trulymadone):

If the formula for a compound is represented by XY2 and the charge on the Y ion is -2, what is the charge in the X ion? +1 +2 +3 +4

Vocaloid (vocaloid):

hint: there are 2 Y ions, and each Y has a charge of -2. what is the combined charge of the 2 ions?

OpenStudy (mathmate):

Think of \(SiO_2\)

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