Chapter 2 terms

Question 1

dehydration reaction

Answer 1

also known as condensation reaction; building bonds by water coming out of structure

Question 2

hydrolysis reaction

Answer 2

breaking bonds; water comes in to kick out monomer

Question 3

electronegativity

Answer 3

strength in which atoms pull electrons toward themselves; affects whether an atom is polar or not

Question 4

polar

Answer 4

unequal sharing of electrons

Question 5

nonpolar

Answer 5

equal sharing of electrons; symmetrical

Question 6

covalent bond

Answer 6

share electrons

Question 7

nonpolar covalent

Answer 7

shared evenly (no charge)

Question 8

polar covalent

Answer 8

shared unevenly; (partial charge); hold 1 water molecule

Question 9

adhesion

Answer 9

ability for molecules to stick together

Question 10

cohesion

Answer 10

2 water molecules stick together

Question 11

surface tension

Answer 11

adhesive attraction between molecules at the surface of a liquid

Question 12

Van Der Waals Reaction

Answer 12

weak electrical interactions between hydrophobic side chains

Question 13

hydrogen bond

Answer 13

electropositive H from polar molecule attracted to electronegative atom; polar molecule; how two water molecules together

Question 14

buffer

Answer 14

minimize changes in pH of a solution when an acid or base is added

Question 15

ionic bond

Answer 15

attraction between oppositely charged ions