chapter 14 - bonding Flashcards
1
Q
formal change equation
A
number of valence electrons - number of non-bonding electrons - (number of bonding electrons)/2
2
Q
graphite properties
A
- layers held together by weak intermolecular forces
- each C bonded to 3 C
- 120 trigonal planar
- good electrical conductor
3
Q
diamond properties
A
- giant covalent structure with strong covalent bonds so very strong and high mleting and boiling points
- each C bonded to 3 C
- 109.5 tetrahedral
- not electrically conductive
4
Q
fullerene c60 properties
A
- 12 pentagons and 20 hexagons in a spherical shape
- each C bonded to 3 C
- 120 trigonal planar
- some electrical conductivity
5
Q
A
6
Q
lone pairs reduce bond angles by how many degrees?
A
2.5