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4vir4ik [10]
3 years ago
8

Why is helium considered as a noble gas

Chemistry
2 answers:
dolphi86 [110]3 years ago
7 0
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

larisa [96]3 years ago
3 0
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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