Could you determine the density of bromoform using water? Why or why not?

What is the maximum number of electrons that an atomic orbital can contain?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

How many atoms or molecules are there in a mole of a substance?