What is the chemical formula for a molecule of salt?

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

How does the motion of particles in a gas change as the gas cools

What is the value of the standard enthalpy of formation of an element in its most stable form?