what is the measure if how tightly matter is packed into a givin volume of a substance
It is a measure of the density of the substance.
Just about anything you can see with your naked eye is made up of billions of molecules.
Rarefaction
rarefraction
It means that the molecules are packed together very tightly.
it is called the compression
Because the molecules of the substances that make up steel are packed more tightly that are water molecules.
density
Just about anything you can see with your naked eye is made up of billions of molecules.
Solids, usually.
in solids molecules are tightly packed in liquid molecules are not so tightly packed whereas in gas they are free to move
Rarefaction
No the molecules are all packed altogether tightly
rarefraction
sequence together.
Tightly packed, vibrating in place, has a definite shape and volume.
Solid !
It means that the molecules are packed together very tightly.