4 terms

Chemistry 12.3 Solids

crystalline solid
a solid whose atoms, ions, or molecules are arranged in an orderly, geometric structure
unit cell
smallest arrangement of atoms in a crystal lattice that has the same symmetry as the whole crystal
an element, such as carbon, that exists in different forms at the same state-solid, liquid, or gas
amorphous solid
one in which the particles are not arranged in a regular, repeating pattern