Question

Calculate the no. of unpaired electrons
in Si(z=14) and fe(z=26)
​

Answer 1

Answer:

p with atomic number 15 with electronic configuration [Ne]3s23p3 contains 3 unpaired electrons.

(b) Si with atomic number 16 with electronic configuration [Ne]3s23p2 contains 2 unpaired electrons.

(c) Cr with atomic number  24with electronic configuration [Ar]3d54s1 contains 6 unpaired electrons.

(d) Fe with atomic number 26 with electronic configuration [Ar]3d64s2 contains 4 unpaired electrons.

(e) Kr  with atomic number36 [Ar]3d104s24p6 contains 0 unpaired electrons.