Chapter 6-Shapes Of Molecules And Intermolecular Forces

Question 1

Define hydrogen bond

Answer 1

An attraction between a line pair of electrons in an electronegative atom in one molecule and a hydrogen atom in another molecule attached to an electronegative atom

Question 2

non-polar bond (pure covalent bond)

Answer 2

a bond where the electron pairs are equally shared across the bond

• this happens when;
• atoms have the same/similar electronegativity
• bonded atoms are same

Question 3

polar covalent bond

Answer 3

bonded electron pair is shared unequally between the bonde atoms
a bond will be polar when;
- bonded atoms have diff. EN
- bonded atoms are not the same

Question 4

dipole

Answer 4

separation of opposite charges