6-7: Intermolecular Forces Flashcards
1
Q
Intermolecular Forces
A
Attractive forces that exist between covalent molecules or noble gas atoms.
Not used in ionic or metallic substances.
2
Q
Hydrogen bonding
A
-molecule must be polar
-occurs when hydrogen is bonded to f, o, or n
3
Q
dipole-dipole
A
-molecule must be polar
-all polar molecules that don’t bond to hydrogen
4
Q
london dispersion forces
A
-either nonpolar or noble gas atom
-separation of charge occurs briefly creating a temporary dipole
5
Q
In order for a substance to boil, intermolecular forces must be ____
A
broken
6
Q
The stronger the intermolecular force, the higher the _______ ____
A
boiling point
7
Q
Dipole
A
Created by equal but opposite charges that are separated by a short distance
