QQuestionChemistry
QuestionChemistry
What is the name of the binary ionic compound of calcium and sulfur?
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Answer
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Step 1: Recall the rules for naming binary ionic compounds.
In a binary ionic compound, the name of the metal always comes first, followed by the name of the nonmetal. The ending of the nonmetal's name is changed to -ide. Since calcium is a metal and sulfur is a nonmetal, this will be a binary ionic compound.
Step 2: Identify the charges on the ions.
Calcium, being an alkaline earth metal, forms an ion with a + 2 charge. Sulfur, as a chalcogen, forms an ion with a - 2 charge.
Final Answer
The name of the binary ionic compound of calcium and sulfur is calcium sulfide.
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