Question

From which neighbouring groups of the periodic table are dopants for silicon and germanium chosen?

विकल्प

• 14th and 13th groups

• 14th and 15th groups

• 13th and 14th groups

• 15th and 13th groups

Answer 1

Silicon and germanium are in the 14th group. Their dopants are chosen from its neighbouring 15th and 13th groups.