3&4 Flashcards
Ionic bond
Metal - Nonmetal
Covalent (molecular) bond
Nonmetal- Nonmetal
The ability of an atom to attract bonding electrons
Electronegativty
The bond has a partial positive end and a partial negative end
Polar covalent bonds
Less than 0.5
Nonpolar covalent
Greater than 0.4 to 1.5
Polar Covalent
Greater than 1.9
Ionic
1.5 to 2.0 (nonmetals)
Polar covalent
Between 1.5 and 2.0 (metals & nonmetals)
Ionic
A polar bond exists when hydrogen or carbon are covalently attached to
Nitrogen, Flourine, Oxygen, Chlorine
Tetrahedral
4 bonding (109.5)
Pyramidal
3 bonding 1 nonbonding (107.5)
Angular (bent)
2 bonding 2 nonbonding (104.5)
Trigonal Planar
3 bonding (118)
Angular (bent)
2 bonding 1 nonbonding (115)
Interaction of a N,O, F atom with a H that is covalently bonded to another N, O, F
Hydrogen Bonding
Attraction of neighboring polar groups to one another
Dipole Dipole
Alkane
Tetrahedral
Alkene
Trigonal planar
Alkine
Linear
OH group attached to alkane type carbon
Alcohols
OH group attached to an aromatic ring
Phenols
Have a C-O-C linkage
Ethers
an SH group attached to alkane type carbon
Thiols