A chemical change results in a change in chemical composition of the substances involved.
O sometimes
Orarely
O always
O never

Is the following sentence true or false? Chemical properties are observed only when a substance undergoes a chemical change.

O true
O false

prove evidence also if you can, thanks .

Does the energy in a solid increase or decrease when changing to a liquid?

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

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.