Describe the difference between density and volume

hey there

Density;

The amount of mass or particles per unit of space.

for example, the density of water is 997 kg/m³

Volume;

the amount of space something takes up.

For example Mars is 163 billion cubic kilometers^3

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i