Vocabulary
Electron Configurations
Atomic Orbital Diagrams
Noble Gas Electron Configurations
Light and Energy Calculations
100
What is an orbital?
The 3D region around the nucleus where there is a high probability of finding an electron
100
In the electron configuration 4s2, what does the 4 indicate?
fourth energy level
100
In an atomic orbital diagram, what does an arrow represent?
an electron
100
Where are the noble gases located on the periodic table?
Group 18 (last column all the way to the right)
100
What type of relationship do wavelength and frequency of light have?
an inverse relationship
200
What is an electron configuration?
The arrangement of electrons in the orbitals of an atom
200
In the electron configuration 3d8, what does the 8 indicate?
number of electrons in that orbital
200
What does Pauli Exclusion Principle state?
Two electrons in an orbital must have opposite spins
200
Write the noble gas configuration for Cr.
[Ar] 4s¹ 3d⁵
200
Which would be the greatest energy emitted? a) n = 4 to n = 1 b) n = 3 to n = 1 c) n = 2 to n = 1 d) they all emit the same energy
a) n = 4 to n = 1
300
This shows the distribution of electrons in orbitals; electrons are drawn as arrows
atomic orbital diagram
300
Which element has the electron configuration: 1s22s22p63s23p4
sulfur
300
Explain what is incorrect about this atomic orbital diagram.
the electrons in the 2p orbital must be separated so that two of the suborbitals have one electron each.
300
What element has the noble gas electron configuration: [Kr]5s24d7?
Rhodium (Rd)
300
What is the wavelength of a photon of red light with a frequency of 4.52 x 1014 s-1?
6.64 x 10-7 m
400
States that electrons enter orbitals of lowest energy first.
Aufbau principle
400
Write the electron configuration for copper.
1s22s22p63s23p64s13d10
400
Draw an atomic orbital diagram for fluorine.
400
Write the noble gas electron configuration for calcium.
What is [Ar]4s2?
400
A colored light has a wavelength of 6.23 x 10-7 m. What is its frequency?
4.82 x 1014 s-1
500
States that each suborbital within an orbital is filled with one electron before an additional electron is added
Hund's rule
500
Write the electron configuration for Mercury.
1s22s22p63s23p64s23d104p65s24d105p66s24f145d10
500
Draw an atomic orbital diagram for titanium.
500
Write the noble gas electron configuration of Tungsten?
[Xe]6s24f145d4
500
What is the energy of light with a frequency of 4.73 x 1014 s-1?
3.13 x 10-19 J