Which of the following is a binary compound?
A. Hydrogen sulfide.
B. Hydrogen sulfate.
C. Ammonium sulfide.
D. Ammonium sulfate.
E. Aluminum hydroxide.
Only two different kinds of atoms make up a binary compound. Hydrogen sulfate has 3 kinds of atoms (H, S, O). Ammonium sulfate has 3 kinds (N, H, S). Aluminum hydroxide has 3 kinds (Al, O, H). Ammonium sulfate has 4 kinds (N, H, S, O).
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Exam Details
This covers the Survey of Natural Sciences portion of the OAT exam.
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Added: 4/15/2009
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