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Helium has two electrons which means the "valence" orbital is full, this also means that helium is not highly reactive. All of the noble gases also have filled "valence" orbitals so helium acts more like a noble gas and is placed in that column.

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Where is heluim located?

In the periodic table, helium is at the top of the column of noble gasses, all the way to the right of the table.


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The column furthest to the right.


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