Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Identify the components of the polyatomic ion
- The ion consists of carbon (C), hydrogen (H), and oxygen (O) - The subscripts are: 2 carbons, 3 hydrogens, and 2 oxygens - The charge is negative (−1)
Step 3:: Recognize the standard name
- This is the acetate ion - The root "acetate" comes from the word "acetic" (as in acetic acid) - The "-ate" suffix indicates the presence of oxygen - The negative sign indicates it's an anion
Step 4:: Verify the chemical formula
- Chemical formula: $$\mathrm{C}_{2}\mathrm{H}_{3}\mathrm{O}_{2}^{-}
Final Answer
The polyatomic ion \mathrm{C}_{2}\mathrm{H}_{3}\mathrm{O}_{2}^{-} is called the acetate ion.
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