The impurity atoms with which pure silicon may be doped to make it a p-type semiconductor are those of

A. Phosphorous
B. Boron
C. Antimony
D. Aluminum
E. Graphite

Choose the correct answer from the options given below:

B and D only

The correct answer is Option (1) → B and D only

Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to Boron, gallium and indium, aluminium.