Midterm Review Flashcards
1
Q
Bond types based on EN difference
A
> 2.0 is ionic
0.4 - 2.0 is polar covalent
< 0.4 is non polar covalent
2
Q
What are the classes of Crystals?
A
Cubic Tetragonal Orthorhombic Hexagonal Monoclinic Triclinic Trigonal There are 14 Bravais Lattices
3
Q
Nearest neighbors for SC
A
6
4
Q
Nearest neighbors for BCC
A
8
5
Q
Nearest neighbors for FCC
A
12
6
Q
Describe VSEPR steps
A
- Count Valence e-
- Count ligands (m) and number of bonds (m’)
- Find lone pairs with: 0.5(Ve - #bonds(m’)) = n
4: Calculate Steric number with m+n
7
Q
paramagnetic
A
unpaired electrons exist
8
Q
diamagnetic
A
all electrons are paired
