Differentiate between oxidation and reduction in terms of electron

How manyatoms of mercury are in 1.4214e+1 ml sample

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 many moles of al3+ ions are in 1.25 moles of al2o3