Which among the following non-metal is "

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Target Exam

CUET

Subject

General Aptitude Test

Chapter

General Knowledge

Topic

Chemistry

Question:

Which among the following non-metal is "monoatomic"?

Options:

Oxygen

Chlorine

Nitrogen

Helium

Correct Answer:

Helium

Explanation:

The correct answer is Option (4) → Helium

Helium is a noble gas and exists as single atoms (monoatomic) under normal conditions.

Oxygen (O₂), Chlorine (Cl₂), and Nitrogen (N₂) all exist as diatomic molecules, not monoatomic.