Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Which polyatomic ion that has a negative two charge.
A. hydroxide ion
B. nitrate ion
C. ammonium ion
D. sulfate ion
Expert Solution

Step 1
Polyatomic ions are those ions which are made up of more than one kind of atom. The given four ions are the examples of polyatomic ions.
- Hydroxide ion(OH-) is composed of 1 oxygen and 1 hydrogen atom.
- Nitrate ion(NO3-) is composed of 1 nitrogen and 3 oxygen atoms.
- Ammonium ion(NH4+) is composed of 1 nitrogen and 4 hydrogen atoms.
- Sulfate ion(SO42-) is composed of 1 sulfur and 4 oxygen atoms.
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