Lecture 3

Question 1

s orbital shape

Answer 1

• sphere

- does not depend on phi or theta

Question 2

possible values for principal quantum number in s orbitals

Answer 2

n = 1, 2, 3, 4, …

Question 3

possible values for orbital quantum number in s orbitals

Answer 3

l = 0

Question 4

possible values for magnetic quantum number in s orbitals

Answer 4

ml = 0

Question 5

nodes

Answer 5

consequence of wave like properties of electrons for a simple wave

Question 6

difference of s orbitals

Answer 6

all spherical but have different nodes in the inside

Question 7

orbitals

Answer 7

stable, 3-dimensional standing waves with no destructive interference

Question 8

possible values for principal quantum number in p orbitals

Answer 8

n = 2, 3, 4, …

Question 9

possible values for quantum number in p orbitals

Answer 9

l = 1

Question 10

possible values for magnetic quantum number for p orbitals

Answer 10

ml = -1, 0, 1

Question 11

nodal plane

Answer 11

zero electron density that bisects an orbital and contain the nucleus

Question 12

px, py, pz orbitals

Answer 12

• perpendicular to each other

- phase is opposite on opposite side of planar node

Question 13

3p orbital

Answer 13

• analogous to 2s orbital internal structure (contains 1 radial node and planar node from all p orbitals)

Question 14

possible values for principal quantum number for d orbitals

Answer 14

n = 3, 4, 5, …

Question 15

possible values for quantum number for d orbitals

Answer 15

l = 2

Question 16

possible values for magnetic quantum number for d orbitals

Answer 16

ml = -2, -1, 0, 1, 2

Question 17

dxz, dyz, dxy orbitals

Answer 17

have lobes between the axes and nodes in the axes

Question 18

dx^2-y^2 orbital

Answer 18

has lobes on x and y axes

Question 19

dz^2 orbital

Answer 19

large lobes of electron density on z plane and smaller torr in x-y plane as well as 2 conical nodes fanning out

Question 20

dz^2 shape

Answer 20

two d orbitals (that have the same shape of other d orbitals) are added together

Question 21

principal quantum number (n)

Answer 21

gives the size and energy of the atomic orbital

Question 22

orbital quantum number (l)

Answer 22

gives the shape of the orbital

Question 23

magnetic quantum number (ml)

Answer 23

gives the orientation of the orbital