What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell?

Explanation:

The difference you can see when you comparethe nucleus of a dividing cell with that of a nondividing cell is that chromosomeswill be seen in the nucleus of the dividing cell because they are visible when acell is dividing apposed to non-dividing cells.

a physical change is being made.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds