Well, this could be 2 things, a solid or a property called density. Solids are tightly packed atoms, while Density is how packed the atoms are.
It is Solids.
The intermolecular distances between atoms in solids is the least.
solids
Solids
Atoms are most tightly packed in the solid phase.
most likely NO
Density
tightly packed atoms
atoms
Atoms are most tightly packed in the solid phase.
Solid !
it is packed 900 demerios
atoms
most likely NO
matter
tightly packed atoms
Density
tightly packed atoms
Tightly packed
the atoms in a liquid are loosely packed together. they can move, but they have to move together.
internal arrangement of atoms