What is the atomic mass/mass number of the atom in the diagram above

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?