Multiple Choice
Which ionic compound is commonly used as a building material (e.g., in limestone, marble, and cement)?
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5. Molecules and Compounds
Naming Ionic Compounds
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In ionic nomenclature, what is the name of the compound ?
A
Strontium chlorite
B
Strontium chloride
C
Strontium perchlorate
D
Strontium chlorate
Verified step by step guidance1
Identify the cation and anion in the compound. Here, Sr is the cation (strontium) and (ClO₃) is the polyatomic anion.
Determine the charge of the cation. Strontium (Sr) is in Group 2 of the periodic table, so it typically has a +2 charge.
Recognize the polyatomic ion ClO₃⁻. This ion is called chlorate, which has a -1 charge.
Since there are two chlorate ions to balance the +2 charge of strontium, the formula Sr(ClO₃)₂ is electrically neutral.
Combine the names of the cation and anion to name the compound: the cation name 'strontium' followed by the anion name 'chlorate' gives 'strontium chlorate'.
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