Lower density materials float in higher density fluids. This does not occur if two miscible fluids are miscible (dissolve in each other). In that case the one fluid mixed with the other (e.g. alcohol and water)
solid
It is likely to sink. However, it may float if it is shaped like a boat.
water and gas
Sink. Items with a density of less than one will float on water.
mass is the density of any given object. what i mean by this is that it is how closely together the molecules are placed, aka the density.
The object will dissolve in the container of water.
No Liquid does not have a distinctive shape, but it takes the shape of the container it is placed in.
An object will float if it has less density than the liquid in which it is placed.
an object will float on a denser liquid
If the density of the liquid is greater than that of the object, the object will sink. This is because the liquid is denser and exerts a greater buoyant force on the object, causing it to sink until it reaches an equilibrium point where the buoyant force equals the gravitational force.
Any Liquid or Gas
small container
An object with lower density than the liquid will float, one with more density will sink. Anything with the same density will stay at the depth where it is placed. If it is placed half submerged it would sink until submerged.
An object with greater density than the liquid it is placed will tend to sink
Yea
An object will sink if its density is greater than the liquid in which it is placed; it will float if its density is less.
It isn't clear what units you are using, what liquid you are placing it in, and whether that is the density of the object or of the liquid. The general rule is that an object will float if it has less density than the liquid in which it is placed.