Question detail
Which of the following noble gases has eight electrons in its outer shell?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The periodic table
Question
- A. Helium
- B. Neon
- C. Argon
- D. Krypton
Answer
Neon
Explanation
Neon is a noble gas that has eight electrons in its outer shell, making it stable and unreactive.
Common mistake
Helium's Electron Configuration Mistake
Students often state that helium has eight electrons in its outer shell, similar to other noble gases.
Remember that helium has only two electrons in its outer shell, while all other noble gases have eight.
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