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Subject Test Chemistry

Question 7 of 13

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SAT Subject Test

The set of lettered choices below refers to multiple questions. Select the one lettered choice that best fits each statement or answers each question. A choice may be used once, more than once, or not at all in each set.

A type of ion found in aluminum oxide

Select an Answer

text X end text to the power of plus

Correct Answer: 
No

text X end text to the power of 2 plus end exponent

Correct Answer: 
No

text X end text to the power of 3 plus end exponent

Correct Answer: 
Yes

text XO end text subscript 3 text end text to the power of 2 minus end exponent

Correct Answer: 
No

text XO end text subscript 4 text end text to the power of 2 minus end exponent

Correct Answer: 
No

The chemical formula of aluminum oxide is text Al end text text end text subscript 2 end subscript text O end text text end text subscript 3 end subscript. The aluminum ion is text Al end text to the power of 3 plus end exponent and the oxide ion is text O end text to the power of 2 minus end exponent. The text Al end text to the power of 3 plus end exponent ion has the form text X end text to the power of 3 plus end exponent.

Question Difficulty: 
easy