Doping Se with P would produce a(n) semiconductor with conductivity compared to pure Se.

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i

They are all full and don't need any more electrons in there outer shell.