Single correct option
Which of the following statements about noble gases is/are correct?
1. All noble gases have eight electrons in the outermost shell.
2. Noble gases exist as monoatomic molecules.
1. All noble gases have eight electrons in the outermost shell.
2. Noble gases exist as monoatomic molecules.
- A. 1 only
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Show answer and solution
Answer: (B) 2 only
Helium has only two electrons, its single shell being complete, so statement 1 is wrong. Because the outer shells are complete, noble gases do not bond and exist as single atoms, so statement 2 is correct.
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