For an atom of main group element, the number of valence electron is equal to___, “a.its of core electrons “, b.the principal quantum number, c.its period number, d.its group number

Posted on


For an atom of main group element, the number of valence electron is equal to___


a.its of core electrons
b.the principal quantum number
c.its period number
d.its group number​

Answer:

Letter D.its group number

Explanation:

correct me if Im wrong…

Leave a Reply

Your email address will not be published.