Unit Cells Flashcards
1
Q
Primitive
A
One lattice point per unit cell
2
Q
Centered lattice
A
Lattice pont in centre of unit cell
3
Q
Lattice point on corner
A
1/8
4
Q
Lattice point on edge
A
1/4
5
Q
Lattice point on a face
A
1/2
6
Q
Lattice point inside cell
A
1
7
Q
hexagonal close packing
A
ABA
8
Q
Cubic close packing
A
ABC
9
Q
Interstitial sites
A
Sites that sit in between lattice
10
Q
What ions occupy interstitial sites
A
Positive, they’re smaller and more compact
11
Q
Radius ratio rule
A
2 x 2^1/2 x r-
