Recent questions and answers in Energy bands in intrinsic and extrinsic semiconductors

Which of the following can be used as an n-type dopant for silicon?Select the correct option(s).ArsenicBoronGalliumPhosphorous

The probability that an electron in a metal occupies the Fermi-level at any temperature $(>0 \mathrm{~K})$$0$$1$$0.5$$1.0$