Atoms and Molecules · Class 9 · CBSE Science
Which of the following elements is diatomic?
Practice question from Atoms and Molecules (Class 9 · CBSE Science), with the correct answer and a step-by-step solution.
easy · MCQ · Q-068C0B
Which of the following elements is diatomic?
- A.Argon
- B.Sodium
- C.OxygenCorrect answer
- D.Phosphorus
Solution
Oxygen exists naturally as a molecule containing two atoms (), making it diatomic. Argon is monoatomic, sodium is metallic (polyatomic structure not expressed as small molecules), and phosphorus is typically tetraatomic ().
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