From the heisenberg uncertainty principle, calculate δx for a baseball (mass = 145 g) with δv = 0.200 m/s.

The wilson chamber is used to study: direction, speed, and distance of radioactivity the intensity of radiation the appearance of individual atoms all of the above

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.