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it is called a net
It means 2d whereas 3d means three dimensional
A three dimensional shape is a solid figure or an object which has 3 dimensions which are the length, width and height.
three dimensional
Assuming you mean a pentagon - not penagon, a 3-dimensional pentagon is a dodecahedron which has 12 faces.
three dimensional arrangement of atoms electron-group geometry
molecules
molecules
It varies with the compound.
crystal lattice
decoupage
it is called a net
A crystal lattice is a very exact organization of atoms
The dream I had was a mere spatial memory of a faint past. The arrangement of objects in three dimensional space is referred to as their spatial arrangement.
A single crystal is a regular and periodic arrangement of particles inside a crystal in three-dimensional space.
This is called a Crystal Lattice or a Crystal Structure.
a crystal.