Unknown elements W and X formed the compound W3X during a reaction. If element W has one valence electron, element Xmost likely has how many valence electrons?

Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?