no
The density will change if the amount of matter in the same volume changes. You can have more matter wihtout changing the density, if the matter occupies more space.
One property of matter that can be observed and measured without changing the matter's identity is its mass. Mass is a measure of the amount of matter in an object and can be determined through various methods like weighing.
Chemical change
dd What is physical property that does not change with the amount of matter?
dd What is physical property that does not change with the amount of matter?
by changing it
chemical change
the quantity of matter the object contains
This can involve changing the shape of matter, or changing the speed or direction of an object.
Physical change.
Yes. Potassium is a relatively common element, and exists just about everywhere in the universe where there is a substantial amount of matter.
This can involve changing the shape of matter, or changing the speed or direction of an object.