QQuestionChemistry
QuestionChemistry
Write the formula for the following covalent compound: phosphorus triiodide.
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Answer
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Step 1:I'll solve this step-by-step using proper chemical nomenclature and LaTeX formatting:
Step 2:: Identify the elements
- Phosphorus (P) is a nonmetal - Iodine (I) is a nonmetal - This indicates a covalent compound will form
Step 3:: Determine the oxidation states
- Phosphorus typically forms compounds with a - 3 oxidation state - Iodine typically has a - 1 oxidation state
Step 4:: Determine the formula
- The formula will be $$PI_{3}
- To balance the charges, we need 3 iodine atoms for each phosphorus atom
Step 5:: Name verification
- "Phosphorus" is the base name for the phosphorus element - "Tri-" prefix indicates 3 iodine atoms - "Iodide" is the suffix for iodine - Therefore, "phosphorus triiodide" is the correct systematic name
Final Answer
PI_{3} (phosphorus triiodide)
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