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Chemistry 14 Online
OpenStudy (anonymous):

Which of the following is a formula for an ionic compound made ofAl+3+ ions and S-2- ions? Select one: a. AlS b. Al3S2 c. Al6S6 d. Al2S3

OpenStudy (anonymous):

@Hoslos

OpenStudy (anonymous):

Given the oxidation numbers, you simply swap them for the elements. Hence the 3 goes to S and the 2 to Al, giving you Al2S3.

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