Which of the following types of energy does an object store in the bonds of atoms and molecules?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

The element that has the greatest electronegativity is