Intermolecular Forces

Chemistry 105

24 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
The electronegativity
The ability of an atom to attract electrons in a covalent bond
The pauling scale (values)
0.7 to 4.0
The higher the number on the pauling scale
The stronger the pull on electrons of the bond
What element has the weakest pull and what is that number
Cesium 0.7
What element has the strongest pull and what is its number?
Flourine 4.0
What is the periodic trend of electronegativity on the periodic table?
More electronegative as you move up and to the right
What is the electronegativity difference between ions?
Greater that 1.9
What is the difference in elctronegativity between sodium and chloride?
2.1
What would be the electronegativity difference in a convalent bond?
Less than 0.5
CH4 is what kind of bond
Covalent
What is the type of bond when the diffrence in electronegativity is between 0.5 and 1.9?
Polar covalent
What kind of bond is water?
Polar covalent (1.4)
Intermolecular forces are not applicable to
Gases (see definition of ideal gas)
Intermolecular
Between different molecules
Intermolecular forces can relate to
Boiling point, melting point, solubility, vapor pressure