Calculate the required mass (in g) needed to have 4.1x1025 atoms of potassium in K20. Do not enter units.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

0.09 moles of sodium sulfate in 12 ml of solution