Chapter 4 Flashcards
1
Q
Isomer
A
Same chemical formula but different bonding shape
2
Q
Effective nuclear charge
A
- across a row
- down a group
3
Q
Electronegativity
A
Ability of an element to attract electrons to itself in a bond
- increases across
- decreases down
4
Q
Dipole – Dipole
A
- present in polar substances
- A bit stronger
5
Q
Hydrogen bonding interactions
A
- must contain a hydrogen bonded to oxygen nitrogen or fluorine
- O, N, or F must have lone pair
- extremely strong
6
Q
Simple ionic compounds
A
- Contain a metal and nonmetal
- metals form cations
7
Q
Lattice energy
A
Energy released when an ionic lattice forms from ions in the gas phase (coulumbs)
8
Q
Polar bonds
A
When 2 atoms of diff electronegativities bond
