Which ion contains both nitrogen and oxygen?

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Prepare for the IGCSE Edexcel Chemistry Test with engaging flashcards and multiple-choice questions. Each question comes with detailed hints and explanations to enhance your learning experience. Master your exam with confidence!

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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