2.2 Vocabulary

Question 1

polar

Answer 1

A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.

Question 2

nonpolar

Answer 2

nonpolar molecules are molecules in which the bonds are equal because the electrons are shared equally

Question 3

Hydrogen bond

Answer 3

interaction involving hydrogens

Question 4

covalent bond

Answer 4

a type of strong chemical bond in which two atoms share one or more pairs of valance electrons

Question 5

ionic bond

Answer 5

an ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

Question 6

hydrophobic

Answer 6

molecules do not bond with water

Question 7

hydrophilic

Answer 7

molecules bond with water

Question 8

solvent

Answer 8

a liquid in which substances are dissolved forming a solution

Question 9

adhesion

Answer 9

two or more different molecules bond with each other

Question 10

cohesion

Answer 10

the attraction force between the same two molecules

Question 11

cholesterol + fats

Answer 11

lipids = nonpolar

Question 12

specific heat

Answer 12

the amount of energy it takes to raise the temperature of a substance