Question: Science

Why is Helium considered a noble gas? What are the characteristics of noble gases?

List other gases in the noble family.

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Asked from the Helium study pack

Many mistakenly believe that a characteristic of noble gases is that they have to have 8 electrons. This is, of course, not true. Noble gases simply must have a full outer shell. The first shell should only have two electrons (which is what helium has). Other noble gases include such substances as neon, argon, krypton, xenon, and radon

Dr. John Carmen | 1509 days ago
(guest) | 1509 days ago