2.2 Vocabulary Flashcards
polar
A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.
nonpolar
nonpolar molecules are molecules in which the bonds are equal because the electrons are shared equally
Hydrogen bond
interaction involving hydrogens
covalent bond
a type of strong chemical bond in which two atoms share one or more pairs of valance electrons
ionic bond
an ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.
hydrophobic
molecules do not bond with water
hydrophilic
molecules bond with water
solvent
a liquid in which substances are dissolved forming a solution
adhesion
two or more different molecules bond with each other
cohesion
the attraction force between the same two molecules
cholesterol + fats
lipids = nonpolar
specific heat
the amount of energy it takes to raise the temperature of a substance