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Helium is a noble gas with how many electrons in one energy level?

O two
O six
eight
three

User DCMaxxx
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1 Answer

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Answer: 1: two

Step-by-step explanation:

Chemical Properties of Noble Gases

The only exception is helium, which has just two electrons. But helium also has a full outer energy level, because its only energy level (energy level 1) can hold a maximum of two electrons.

User Shafeeq Mohammed
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