Using the periodic table, choose the more reactive nonmetal. at or br

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

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.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer