Otter1999 Otter1999

01-02-2016
Chemistry

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Why is helium considered as a noble gas

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Tommax24 Tommax24

01-02-2016

Noble gases are known for having a full outer shell of electrons which helium has as it has two electrons its first electron shell is completely filled

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Аноним Аноним

01-02-2016

Helium is considered a noble gas because it has 8 valence electrons, as well as it also is a stable element. Meaning that it consists of a full octet.

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