Electron Configurations (from element)
Electron Configurations
(from configuration)
(from configuration)
Abbreviated Electron Configuration
Quantum Numbers
Waves
100
He
1s2
100
1s1
Hydrogen
100
Lithium
[He]2s1
100
quantum number for the rows of the periodic table
principle quantum number
100
What is the distance between successive wave peaks called?
wavelength
200
F
1s2 2s2 2p5
200
1s2 2s2 2p5
Fluorine
200
Carbon
[He]2s2 2p2
200
What are the possible values of the spin quantum number?
+1/2 and -1/2
200
What is the relationship between frequency and wavelength?
c=v
300
Mg
1s2 2s2 2p6 3s2
300
1s2 2s2 2p6 3s1
Sodium
300
Silicon
[Ne]3s2 3p2
300
How many electrons does one orbital hold?
2 e-
300
What is the relationship between energy and frequency?
E=hv
400
Mn
1s2 2s2 2p6 3s2 3p6 4s2 3d5
400
1s2 2s2 2p6 3s2 3p6 3d2 4s2
Titanium
400
Bromine
[Ar]4s2 3d10 4p5
400
what can ml equal if l=2
-2, -1, 0, 1, 2
400
A photon has a frequency (n) of 2.68 x 106 Hz. Calculate its energy.
E = 1.78 x 10^-27 J
500
Br
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
500
1s2 2s2 2p6 3s2 3p6 3d6 4s2
Iron
500
Cesium
[Xe]6s1
500
How many individual orbitals are in an f subshell (l=3)
7 orbitals (14 electrons)
500
Calculate the energy (E) and wavelength (l) of a photon of light with a frequency (n) of 6.165 x 1014 Hz.
E = 4.1 x 10-19 J = 4.87 x 10-7 m