molecules
Three dimensional space.
a giraffe with to many legs
three dimensional
The result is a cylinder
Two-dimensional.
molecules
crystal lattice
a crystal.
This is not a question, it is a statement, and is a correct statement at that.
three dimensional arrangement of atoms electron-group geometry
A crystal lattice is the arrangement of atoms inside of a crystal. This arrangement is a three dimensional figure.
Molecule.
A lattice.
It varies with the compound.
Three dimensional space.
It's called a crystal if it's a regular, repeated pattern. It's called an amorphous solid if it has no regular pattern (which is unusual for ionic solids).
decoupage