Author Question: Which of the following elements would be most useful for creating a p-type silicon? A) As B) Sn ... (Read 34 times)

Wadzanai · **on:** Aug 27, 2018

Which of the following elements would be most useful for creating a p-type silicon?

A) As
B) Sn
C) Pb
D) B
E) Bi

Question 2

The N-P-K system is used to describe ________.

A) the relative amounts of nitrogen, phosphorus and potassium in mixed fertilizers
B) the identity of a straight fertilizer
C) the climate zone in which a fertilizer works best
D) the pounds of nickel, potassium, and krypton in a bag of mixed fertilizer
E) B and C