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Multiple Choice
What is the correct name for the ionic compound BaCO3?
A
Barium bicarbonate
B
Barium carbonite
C
Barium carboxide
D
Barium carbonate
Verified step by step guidance
1
Identify the cation and anion in the compound BaCO3. The cation is Ba, which stands for barium, and the anion is CO3, which is the carbonate ion.
Recall that the carbonate ion (CO3) has a charge of -2, and barium (Ba) typically forms a +2 charge as a cation.
Combine the names of the cation and anion to name the compound. Since Ba is barium and CO3 is carbonate, the compound is named by simply combining these two names.
Understand that the suffix '-ate' in carbonate indicates the presence of oxygen in the polyatomic ion, distinguishing it from bicarbonate or other related ions.
Confirm that the correct name for BaCO3 is 'barium carbonate' because it consists of barium cations and carbonate anions in a neutral ionic compound.