What is the charge of the atom in the diagram below?

A. -3
B. +1
C. 0
D.+3

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.