Which part of modern atomic theory was first developed by John Dalton? A. Atoms cannot be divided.
B. Electrons are spread throughout an atom.
O C. Atoms are rearranged during chemical reactions.
O D. Electrons are found in a cloud around the nucleus.

Which of the following electromagnetic waves can create ions?

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

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?