How many unpaired electrons are in a: a. zinc atom 0 correct: your answer is correct. b. nitrogen atom 3 correct: your answer is correct. c. chlorine atom 1 correct: your answer is correct. d. nickel atom 0 incorrect: your answer is incorrect. submit answer?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Which of these is a physical property

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?