Multiple Choice
Provide the name for the following compound:Al(BrO4)3
5. Molecules and Compounds
Naming Ionic Compounds
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Provide the name for the following compound:CoCO3
A
cobalt carbonate
B
cobalt (II) carbonate
C
cobalt carbonite
D
cobalt (III) carbonite
Verified step by step guidance1
Identify the chemical formula given: CoCO3.
Recognize that Co represents cobalt and CO3 represents the carbonate ion.
Determine the charge of the carbonate ion, which is -2.
Since the compound is neutral, the charge of cobalt must balance the -2 charge of the carbonate ion. Therefore, cobalt must have a +2 charge.
Name the compound by stating the metal first with its oxidation state in Roman numerals, followed by the name of the polyatomic ion: cobalt (II) carbonate.
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