Exam 2 Lecture 7

Question 1

The deBroglie wavelength of matter The deBroglie wavelength of matte

Answer 1

h=6.62607004 × 10^-34 m² kg / s

lower case v is “velocity”

Question 2

Who is this guy?

What did he discover?

Answer 2

Werner Heisenberg

The dual nature of matter (a particle and a wave) places limitations on the preciseness with which we can know both the location and the momentum (mass x velocity) of an object

Question 3

IF you can Know location precisely,

Answer 3

then momentum is uncertain

Question 4

If you can Know momentum precisely,

Answer 4

then location is uncertain

Question 5

Earth Wavelength

Answer 5

miniscule

Question 6

baseball wavelength

Answer 6

moderate

Question 7

electron wavelength

Answer 7

relatively moderate

Question 8

Who is this guy?

What does he say about electrons?

Answer 8

Erwin Schrodinger

The behavior of the electron is better described b y g focusin g on it’s wavelike p p ro perties

Question 9

An orbit:

Answer 9

a defined, known pathway

Question 10

An orbital:

Answer 10

a probability function; “the probability that the probability that an electron will be found in a given location”

Question 11

An orbital: A description of….

Answer 11

the distribution of electron density in space

Question 12

Orbitals have a characteristic ……

Answer 12

shape and energy

Question 13

What do the dots represent?

Answer 13

Each dot represents a position where an electron may be found at any given moment with respect to the nucleus, which is at the center of the axes

Question 14

Orbitals of a given shape (within a subshell)….

Answer 14

have a specific orientation in space

Question 15

Orbital quantum numbers

Answer 15

n, l, m_l, m_s

Question 16

n lables…

Answer 16

Question 17

n possible values…

Answer 17

Question 18

n notes

Answer 18

Question 19

n name

Answer 19

Question 20

l name

Answer 20

Question 21

m_l​ name

Answer 21

Question 22

m_l​ labels….

Answer 22

Question 23

m_l​ possible values

Answer 23

Question 24

m_l​ notes

Answer 24

Question 25

l labels....

Answer 25

Question 26

l possible values....

Answer 26

Question 27

l notes....

Answer 27

Question 28

m_s name

Answer 28

Question 29

m_s labels...

Answer 29

Question 30

m_s possible values...

Answer 30

Question 31

m_s notes...

Answer 31

Question 32

n describes the....

Answer 32

energy of the orbital of the orbital n=1,2,3,4 "shells"

Question 33

l describes the...

Answer 33

3-dimensional shape of the orbital | (subshells)

Question 34

m_l describes the

Answer 34

orientation of an orbital in space (values are integers from “- l” to “ + l”)

Question 35

A specific orbital is defined by

Answer 35

specific and unique values for n, l, and m_l

Question 36

Quantum numbers for n=1 orbital

Answer 36

Question 37

Quantum numbers for n=2 orbitals

Answer 37

Question 38

sherical

Answer 38

Question 39

Elipsoid

Answer 39

Question 40

2p orbital m_l=1 spacial orientation

Answer 40

along the x axis

Question 41

2p orbital m_l=0 spacial orientation

Answer 41

along the z axis

Question 42

2p orbital m_l=-1 spacial orientation

Answer 42

along the y axis

Question 43

n refers to the ____ of the \_\_\_\_

Answer 43

Question 44

l refers to the ____ of the \_\_\_\_

Answer 44

Question 45

m_l refers to the ____ of the \_\_\_\_

Answer 45

Question 46

define node

Answer 46

a point at which a harmonic function has the value zero, especially a point of zero electron density in an orbital.

Question 47

n=3 orbitals quantum numbers

Answer 47

Question 48

Allowed values for l

Answer 48

integers from 0 to n 1

Question 49

•Allowed values for m_l

Answer 49

integers from -l to +l

Question 50

How many orbitals are there in n=3?

Answer 50

Question 51

Pears

Answer 51

Question 52

2 pears to one torus

Answer 52

Question 53

shape of s orbital

Answer 53

spherical

Question 54

shape of p orbital

Answer 54

dumbell (elipsoid)

Question 55

shape of d orbitals

Answer 55

pear and toris

Question 56

d orbital spacial orientation

Answer 56

Question 57

What are those?

Answer 57

Question 58

n=4 orbital quantum numbers

Answer 58

Question 59

How many orbitals in n=4?

Answer 59

Question 60

Shapes of f orbitals

Answer 60

Intense

Question 61

Answer 61

Question 62

Subshell names: n=1

Answer 62

Question 63

Subshell names: n=2

Answer 63

Question 64

Subshell names: n=3

Answer 64

Question 65

Subshell names: n=4

Answer 65

Question 66

Subshell names: n=5

Answer 66

Question 67

number of orbitals in s

Answer 67

Question 68

number of orbitals in p

Answer 68

Question 69

number of orbitals in d

Answer 69

Question 70

number of orbitals in f

Answer 70

Question 71

Name Irregular Electron Configurations in periods 4 and 5

Answer 71

Cr, Cu, Mo, Ag 1

Question 72

Explain what is Cr's electron configuration? Why is it different?

Answer 72

migh predict: [Ar]4s²3d⁴ actually: [AR]4s¹3d⁵ Cr would rather have a full spin party than a ful s orbital.

Question 73

Explain what is Cu's electron configuration? Why is it different?

Answer 73

migh predict: [Ar]4s²3d⁹ actually: [AR]4s¹3d¹⁰ Cr would rather have a full spin party than a full s orbital.