Chapter 6

Quantum Number Definitions

100

What is the Principle Quantum Number definition and its possible values?

A. Energy level/shell number n=1,2,3...

B. Shape n= -1, 0, 1

C. Spin n= 1,2,3...

D. Orientation n= -1, 0, 1

A. Energy level/shell number n=1,2,3...

200

What is the angular momentum quantum number definition and possible values?

A. Shape ℓ= 0, 1, 2...

B. Orientation ℓ= 0 to -1

C. Shape ℓ= 0 to n-1

D. Spin ℓ=+ or - 1/2

C. Shape ℓ= 0 to n-1

300

What is the magnetic quantum number definition and possible values?

A. Size m_ℓ= -1 to +1

B. Spin m_ℓ= 1, 2, 3...

C. Orientation m_ℓ= -ℓ to +ℓ

D. Energy m_ℓ= -1, -2, -3...

C. Orientation m_ℓ= -ℓ to +ℓ

400

What is the spin quantum number definition and possible values?

A. Energy m_s= 1, 2, 3...

B. Spin m_s= + or - 1/2

C. Shape m_s= -1 to +1

D. Twirl m_s= 0 to n-1

B. Spin m_s= + or - 1/2

500

What is the Pauli Exclusion Principle?

A. If you exclude one of the 4 quantum numbers, you can still know the location and speed

B. You can sometimes exclude the rule that electrons do not exist between energy levels

C. Opposite spin removes the problem of only having one electron per orbital 

D. No two electrons can have the same set of all four quantum numbers in the same atom

D. No two electrons can have the same set of all four quantum numbers in the same atom

Quantum Number Problems

100

If n= 2

What are the possible ℓ values?

If ℓ = 1

What are the possible m_ℓ values?

ℓ= 0 or 1

m_ℓ= -1, 0, +1

200

If n=3

what values could ℓ equal?

If ℓ= 2, what possible values could m_ℓ equal?

ℓ= 0, 1, 2

m_ℓ= -2, -1, 0, +1, +2

300

Give the electron configuration for N and draw the orbital diagram

1s²2s²2p³

ll        ll         l   l   l

1s      2s          2p

400

What element does 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p² represent?

Germanium (Ge)

500

How do you write the abbreviated electron configuration for Mg (noble gas)?

Mg        [Ne] 3s²

Random

100

1 m = ___ mm

1000

200

as frequency increases, energy _____

increases

300

as wavelength increases, frequency _____

decreases

400

When is my last Friday session due to thanksgiving and dead day?

Will there be any extra sessions? If so, when?

Friday November 21

Thursday December 4th at 5:30-6:30 Sherrod library room 128/129

500

what is the formula for density?

d=m/v

Electromagnetic Energy Concepts

100

Equation to represent the relationship of wavelength and frequency?

c=λv

200

what does c represent?

what does h represent?

c = speed of light

h= planks constant

300

What is the word for numbers of peaks per unit in time? 

What is the symbol to go with it?

frequency

v

400

what is plank's equation

E = hν

E for energy

h is constant

v means frequency

500

what is the unit of measurement for frequency?

per second (s^-1 or /s)

Hertz (Hz)

Electromagnetic Energy Problems

100

A TV transmitter broadcasts at a frequency of 6.75×10⁷ Hz. What is the wavelength of these waves in meters?

c= 2.99x10⁸

4.44 m

200

A green laser light has wavelength about 5.50×10⁻⁷m. What would its frequency be?

c=2.99x10⁸

5.45 × 10¹⁴ Hz

300

An FM radio station found at 103.1 on the FM dial broadcasts at a frequency of 1.031x10⁸ 1/s (103.1 MHz). What is the wavelength of these radio waves in meters? c=2.99x10⁸ m/s

2.908 m

400

Light with a wavelength of 6.145 × 10⁻⁷ m looks orange. What is the energy, in joules, per photon of this orange light? What is the energy in J?

c= 2.99x10⁸ m/s = λv

h= 6.626x10^-34 J.s  = E/v

3.233x10^-19 J

500

FM–95, an FM radio station, broadcasts at a frequency of 9.51 107 s–1 (95.1 MHz). What is the wavelength of these radio waves in meters?

c= 2.99x10⁸

3.15 m