Part of the experiment that is used as a comparison to see if they independent variable caused a change

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

What does x represent in the formula for the compound xcl4?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.