Exam I Review

1
Exam I Review

• CHE 231

2
Material Types

• metals
• ceramics
• polymers
• composites
• semiconductors
• biomaterials
• advanced materials

3
Chemical Bonding

• Interatomic bonds
• ionic
• covalent
• metallic
• Intermolecular bonds
• dipole-dipole
• fluctuating dipole
• hydrogen bond

4
Metallic Crystal Structures

• FCC
• BCC
• HCP
• SC
• close-packed structures
• lattice constant
• packing factor

5
Ceramic Crystal Structures

• radius ratio
• charge balance
• octahedral site
• tetrahedral site

6
Polymer Structure

• monomer type
• chain length
• branching and cross-linking
• polymer crystallinity
• thermoplastic versus thermosetting