Card Set Information
The smallest repeating unit in a crystal lattice that has the characteristic symmetry of the solid
The corners of the unit cell in a crystal lattice
A solid, regular array of positive and negative ions
A unit cell having eight identical points at the corners of a cube
cubic unit cell
the primitive cubic arrangement has ______ net atom within the unit cell.
one net atom
what is the formula for a (pc) unit cell net atom?
(8 corners of a cube)(1/8 of each corner atom within a unit cell) =
1 net atom per unit cell for (pc)
what is the formula for (bcc) unit cell net atom?
(8 corners of a cube)(1/8 of each corner atom within a unit cell)+(1 lattice point in center) =
2 net atom per unit cell for (bcc)
what is the formula for a (fcc) unit cell net atom
(6 faces of a cube)(1/2 of an atom within a unit cell)+1 for the 8 coners=
4 net face centered atoms within a (fcc) unit cell