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GK QUESTION#3381

Consider the following statements regarding atomicity:

1. The chlorine molecule (Cl₂) is diatomic.

2. Ozone (O₃) is triatomic.

3. Helium (He) is monoatomic.

4. Sulphur (S₈) is diatomic.

Which of the above statements are correct?

  1. A1, 2 and 3 onlyCorrect answer
  2. B1 and 4 only
  3. C2 and 4 only
  4. DAll 1, 2, 3, and 4
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Answer

A. 1, 2 and 3 only

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Explanation

A Cl₂ molecule contains two atoms, O₃ contains three, and ordinary helium is monatomic. An S₈ molecule contains eight sulphur atoms and is octatomic, a specific polyatomic form. Statements 1, 2 and 3 are correct, while statement 4 is false.

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