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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