QUESTION 1 Silicon at 300K with 1*10^17/cc Boron, 2*10^16/cc Arsenic, and 8*10^16/cc Germanium is 1. p-type 2. metallic 3. insulating 4. porous 5. unstable 6. n-type 7. embryonic 8. intrinsic

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o