Chapter 3

Question 1

amplitude

Answer 1

extent of displacement caused by wave

Question 2

atomic orbital

Answer 2

mathematical function that describes the behavior of an electron in the atom

Question 3

d orbital

Answer 3

region of space with high electron density
that is either four lobed or contains a dumbbell
and torus shape; describes orbitals with
l = 2.

Question 4

degenerate orbitals

Answer 4

orbitals that have the same energy

Question 5

electron affinity

Answer 5

energy change associated with addition of an electron to an atom/ion

Question 6

electron density

Answer 6

probability of locating an electron in a particular region of space, equal to the squared absolute value of the wave function psi

Question 7

f orbital

Answer 7

multilobed region of space with high
electron density, describes orbitals with
l = 3

Question 8

frequency

Answer 8

number of wave cycles that pass a specified point in space per unit time

Question 9

ionization energy

Answer 9

energy needed to remove an electron

Question 10

magnetic quantum number

Answer 10

quantum
number signifying the orientation of an atomic
orbital around the nucleus

Question 11

p orbital

Answer 11

dumbbell-shaped region of space with
high electron density, describes orbitals with
l = 1

Question 12

s orbital

Answer 12

spherical region of space with high
electron density, describes orbitals with
l = 0

Question 13

secondary (angular momentum) quantum
number (l)

Answer 13

quantum number distinguishing the
different shapes of orbitals; it is also a measure of
the orbital angular momentum

Question 14

spin quantum number

Answer 14

number specifying
the electron spin direction, either or .5 or -.5

Question 15

E = h*(frequency)

Answer 15

energy of a light particle equation, where h (planks constant) = 6.626 * 10^-34 j*s

Question 16

c = (wavelength)(frequency)

Answer 16

speed of light equation c = 3 * 10^8 m/s