OVERALL MIDTERM 2 Flashcards
1
Q
Nonpolar covalent bond
A
Electrons shared EQUALLY between atoms (no separation of charge)
2
Q
Polar covalent bond
A
Electrons shared UNEQUALLY between atoms (separation of charge)
3
Q
Electronegativity trend
A
- Difference less than 0.4: Nonpolar
- Difference between 0.4-2.0: Polar
- Difference greater than 2.0: Ionic
4
Q
Formal charge
A
Valence electrons - LP - Number of bonds
5
Q
Nonbonding electrons
A
Valene electrons - 8(n)/2
6
Q
Resonance bond rules
A
- Single Bond: 3LP
- Double bond: 2 LP
- Triple bond: 1 LP
7
Q
Base names alkanes
A
- Methane
- Ethane
- Propane
- Butane
- Pentane
- Hexane
- Heptane
- Octane
- Nonane
- Decane
8
Q
Rules for naming alkanes (3)
A
- Go with the lower substituent when naming
- When 2 or more identical substituent present, use di try prefix
- Substituent name should be alphabetical order
9
Q
Alkane naming format
A
Substituent number - (substituent name)(base name)
10
Q
- Ane to -yl
A
When there’s one less than base
11
Q
Electron group geometry
A
Count electron groups around central atom (LP and bonding atoms)
12
Q
Electron group geometry shapes
A
- Linear
- Trigonal planar
- Tetrahedral
- Trigonal bipyramidal
- Octahedral
13
Q
Molecular shape
A
Only count atoms bonded to central atom and occurs when lone pairs present
14
Q
Inphase
A
Overlap and form bond
15
Q
Molecular shape shapes (BLT)
A
- Bent
- Linear
- Trigonal pyramidal
- T shape
- Seesaw
- Square planar
- Square pyramidal
