Multiple Choice
Which of the following is the correct chemical formula for mercury(I) chloride?
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3. Chemical Reactions
Naming Ionic Compounds
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In the ionic compound AgNO_3, how many silver ions are present in one formula unit?
A
1
B
0
C
2
D
3
Verified step by step guidance1
Identify the chemical formula given: AgNO_3, which represents silver nitrate.
Understand that a formula unit represents the simplest ratio of ions in an ionic compound.
Recognize that in AgNO_3, the subscript '1' for Ag (silver) is implied, meaning there is one silver ion per formula unit.
Note that NO_3 is the nitrate polyatomic ion, and it does not affect the number of silver ions directly.
Conclude that there is exactly one silver ion (Ag^+) present in one formula unit of AgNO_3.
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