Acompound differs from a mixture because it
a. always remains frozen even at high temperatures.
b. is formed from two cations.
c. always contains the same elements in the same proportion.
d. can form only in the presence of heat energy.

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.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

The arrangement of particles is most ordered in a sample of