QQuestionChemistry
QuestionChemistry
Ca^2 +Ca^2 + and S^2−S^2−
Express your answer as a chemical formula.
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Identify the ions
- We have two calcium ions ($$Ca^{2+}$$)
- We have one sulfide ion (S^{2 -})
Step 3:: Determine the charge balance
- Total negative charge: $$1 \times (-2) = -2
- The sulfide ion has a charge of - 2
Step 4:: Determine the simplest whole number ratio
- We need to balance the charges to create a neutral compound - The ratio of ions will be such that the total positive and negative charges cancel out
Step 5:: Write the chemical formula
- Two calcium ions ($$Ca^{2+}$$) will balance one sulfide ion ($$S^{2-}$$)
- The chemical formula will be: CaS
Final Answer
Note: This is calcium sulfide, a simple ionic compound formed by the combination of calcium and sulfide ions.
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