Explain what is meant by the atomic mass unit (amu) ?

A sample of basalt has smaller crystals than a sample of granite. What is the most likely reason for this?

A light ray hits a hard, opaque object. the angle at which the light ray bounces off the object depends on the smoothness of the surface. the material the surface is made of. the angle at which the light hits the surface.

A distance of 2 kilometers is equal

Which of the following applies to He gas in the tank when additional oxygen is added at constant temperature? A rigid metal tank contains oxygen gas. A. The volume of the gas increases B. The pressure of the gas decreases C.

Define atomic number and atomic mass number under what conditions are two atoms different isotopes of the same element?

Our body solution tests at a pH of about 6.8. This pH is:

A diatomic gas has the molar mass of 38.00g/mol. what is the possible formula?

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L

What do you use to measure mass

A salt shaker filled with 17.0g sodium chloride contain how many moles?