??? Indicate the number of neutrons and electrons in the following ions:
19F1-
65Zn2+
39K1+
74As3-

How many atoms of oxygen are contained in 160 grams of n2o3

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 produces wave a)sound b) heats c)transfer of energy d)vibrations