How many valence electrons does helium have?
Posted On: Jun 26, 2021
Helium contains only 2 electrons and both are present in the k shell, thus it has 2 valence electrons.
The atomic number of Helium is 2. Helium is one of the most significant member of the noble gas family that can be found on the upper right side of the periodic table.
The electronic configuration of helium is He(Z=2) = 1s2.
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