No. Like all metals (with the exceptions of lithium and sodium) copper is denser than water.
Gases are less dense than solids.
No, oil is less dense than saliva.
Aluminium is more dense than PET.
yes it is a cork is less dense than water
Sodium is less dense than zinc.
No. Like all metals (with the exceptions of lithium and sodium) copper is denser than water.
Pepper floats because it is less dense than water.
no
Yes ammonia is less dense than air
Gases are less dense than solids.
No, oil is less dense than saliva.
Yes, but only just. This is the reason that it floats on water during the reaction between the two.
A wooden block can be less dense than water.
Ice is less dense than water
No, it is more dense. If it were less dense it would float.
Oil IS already less dense than water.