Question detail

Which noble gas has only two 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

Helium

Helium is the only noble gas with two electrons in its outer shell, while all other noble gases have eight.

Noble Gases and Molecular Formation

Students often state that noble gases do not form molecules because they are gases at room temperature.

Emphasize that noble gases do not easily form molecules due to their stable electron arrangements, not their physical state.

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