A silicon material is dopped with an element of a certain group and an n-type semi-conductor is formed. the most likely group of the element is
A
V
B
III
C
I
D
II
Verified Correct Answer: A.
Physical Principles & Numerical Solution
Silicon is a tetra valent (4 valent) element, and in order to produce an n type semi-conductor, it has to be dropped with a penta valent (5valent)element, that, that is element in group five (v)
Source: Myschool Past Questions Archive (Record #13709)