Question

A pentavalent impurity has number of valence electron equals to

Answer 1

Here is ur answer :-

Trivalent impurity atoms have 3valence electrons. The various examples of trivalent impurities include Boron (B), Gallium (G), Indium(In), Aluminium(Al). Boron is a substance consisting of atoms which all have the same number of protons. The atomic number of boron is 5 i.e. 5protons.


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