Which ion contains both nitrogen and oxygen?

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Study for the IGCSE Edexcel Chemistry Test. Access flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Which ion contains both nitrogen and oxygen?

Explanation:
This question tests recognizing which ions include nitrogen and oxygen together. The nitrate ion has both elements: it’s the ion with nitrogen bonded to three oxygen atoms and carries an overall negative charge. The other ions either lack nitrogen (hydroxide) or lack oxygen (ammonium), or contain a different element (sulfate has sulfur with oxygen). So the ion that contains both nitrogen and oxygen is the one with the nitrate structure.

This question tests recognizing which ions include nitrogen and oxygen together. The nitrate ion has both elements: it’s the ion with nitrogen bonded to three oxygen atoms and carries an overall negative charge. The other ions either lack nitrogen (hydroxide) or lack oxygen (ammonium), or contain a different element (sulfate has sulfur with oxygen). So the ion that contains both nitrogen and oxygen is the one with the nitrate structure.

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