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What is the chemical name of CO32-?
- A Chromate
- B Phosphate
- C Nitrite
- D Carbonate
- E Sulfate
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The chemical formula CO₃²⁻ corresponds to the carbonate ion. Carbonate is a polyatomic ion composed of one carbon atom bonded to three oxygen atoms, carrying a charge of -2. It is a versatile ion found in various compounds, including common substances like calcium carbonate, which is a key component of limestone and chalk.