Which of the following does not characterize the curved arrow formalism?
a. The arrow shows the movement of electrons not atoms.
b. The atom at the head of the arrow is the electron pair acceptor.
c. The atom at the tail of the arrow is a Lewis acid.
d. The species containing the atom at the head of the arrow will have the smaller pKa.
e. All of these correctly describe the curved arrow formalism.
Question 2
Which of the following alkanes would have the highest boiling point?
a. heptane
b. 2-methylhexane
c. 2,3,-dimethylpentane
d. 2,2,3-trimethylbutane
e. All have the same molar mass and would have about the same boiling point.
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
This chart shows the various lines of responsibility and how they differ in presidential and parliam
Hemostats: curved forceps.
An MRI of Professor P.’s acoustic neuroma. The arrow indicates the tumor.
A comparison of a trait (height) that shows discontinuous and continuous phenotypes in different pla