Which ion is a negatively charged ion containing oxygen and hydrogen?

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Multiple Choice

Which ion is a negatively charged ion containing oxygen and hydrogen?

Explanation:
The hydroxide ion is the one that fits: it contains both oxygen and hydrogen and carries a negative charge. Its formula is OH⁻, and it forms when a water molecule loses a proton, leaving behind the negatively charged hydroxide. Hydrogen ion (H⁺) has no electrons and is positively charged, while sulfate (SO₄²⁻) and nitrate (NO₃⁻) contain oxygen but do not include hydrogen in their structure.

The hydroxide ion is the one that fits: it contains both oxygen and hydrogen and carries a negative charge. Its formula is OH⁻, and it forms when a water molecule loses a proton, leaving behind the negatively charged hydroxide. Hydrogen ion (H⁺) has no electrons and is positively charged, while sulfate (SO₄²⁻) and nitrate (NO₃⁻) contain oxygen but do not include hydrogen in their structure.

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