Atoms are unstable unless they have a similar number of protons and neutrons. To make the carbon atom stable, add six neutrons to it. What’s the mass number now?

What is the mass of each element in a 324.8 sample of co2

Calculate the number of molecules present in 0.750 mol of mgo.

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.