Which of the following is a cation?

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Study for the IMAT Chemistry Exam. Access flashcards and multiple choice questions; hints and explanations included for each question. Prepare effectively for your exam.

Multiple Choice

Which of the following is a cation?

Explanation:
A cation is a positively charged ion, formed when a species loses electrons. Ammonium (NH4+) carries a +1 charge, so it is a cation. The other three—sulfate (SO4^2−), nitrate (NO3−), and phosphate (PO4^3−)—carry negative charges and are anions.

A cation is a positively charged ion, formed when a species loses electrons. Ammonium (NH4+) carries a +1 charge, so it is a cation. The other three—sulfate (SO4^2−), nitrate (NO3−), and phosphate (PO4^3−)—carry negative charges and are anions.

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