The table below gives the numbers of protons, electrons, and neutrons in four atoms. Number of electrons
39
40
39
40
Number of n
52
50
54
5
Atom
Number of protons
39
|40
39
40
Based on the information that is given, which atom in the table has the highest mass?
O1
D 2
) 3
4

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.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?