Electron Configuration
Wavelength, Frequency, and Energy
Energy Level Diagram
Electron Dot Diagrams
Vocab
Final Jeopardy
Topic: Energy Levels
Topic: Energy Levels
100
Identify the neutral atom with the following electron configuration:
[Ne]3s23p2
Silicon
100
How are wavelength and frequency related?
Inversely
100
What is the first step of drawing an energy level diagram?
Draw and label an arrow to show the direction of increasing energy.
100
Tell me three neutral elements that have 3 valence electrons.
Any 3 elements in Group 13.
100
If all electrons in an atom are at their lowest attainable energy level, they are at the ____________________
ground state
200
What is the full electron configuration and noble gas configuration for nickel?
1s22s22p63s23p64s23d8
[Ar]4s23d8
200
How are frequency and energy related?
Directly
200
How many orbitals are in s, p, d, and f sublevels?
s:1
p:3
d:5
f:7
200
What makes an element a Noble Gas?
A full set (8) of valence electrons.
200
What is used to describe the location and behavior of electrons in an atom?
quantum numbers
300
Identify the neutral atom with the following electron configuration:
1s22s22p63s23p64s23d104p65s14d5
Molybdenum[Mo]
300
Solve the first step you must take in the following problem:
What is the frequency of a light with a wavelength of 3.42x10-5cm?
(\frac{3.42\times10^{-5} cm}{1})(\frac{1 m}{100 cm})=3.42\times 10^{-7} m
300
Draw the energy level diagram for Germanium.
300
Draw the electron dot diagram of Oxygen.
300
Define Valence Electrons.
Electrons in the outermost energy level.
400
What is the full electron configuration and noble gas yttrium?
1s22s22p63s24s23d104p65s24d1
[Kr]5s24d1
400
What is the wavelength of a light with a frequency of 6.21x1014 Hz?
4.83x10-7 m
400
Electrons in the same orbital must have opposite spins due to the Pauli Exclusion Principle. Define this principle.
No 2 electrons can have the exact same 4 quantum numbers.
400
What is wrong with the following electron dot diagram?
Dots should not pair up until each side has 1.
400
What is a massless particle that contains a certain amount of energy?
Photon
500
What is the full electron configuration and noble gas configuration for lead?
1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p2
[Xe]6s24f145d106p2
500
What is the frequency of a photon with an energy of 5.55x10-19 J?
8.38x1014 Hz
500
What do each of the 4 quantum numbers represent? How many of these are shown with energy level diagrams?
Principle: Energy Level
Second: Sublevel
Third: Orientation of Orbital
Fourth: Spin of Electron
All of these are shown in energy level diagrams.
500
What is wrong with the following electron dot diagram?
The dots are on the corners of the symbol instead of the sides.
500
According to the Heisenberg Uncertainty Principle, what 2 things are impossible to know at the same time?
Position and Velocity
500
How does an electron give off light?
An electron can “jump” to a different orbital, putting the atom into an excited state. It cannot stay there and must fall back down. When it falls, it releases the energy as light.