Calculate the moles of argon gas at STP in 33 L. Round answer to 2 significant figures.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

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?

Which of the following is not true about the atomic model of substances?