Wave Functions
Calculate the frequency of light with a wavelength of 620nm.
4.84 x 1014 Hz
What is the energy of an electron in the third energy level in a box of 150 pm?
2.41 x 10-17 J
What quantum number is represented with the symbol n?
Principal Quantum Number
How many total electrons does a fluorine atom have?
9
What trend does atomic radius tend to follow?
Increases toward the left and down
Calculate the wavelength (in nanometers) of light with an energy of 3.97 x 10-19 J
501 nm
How much energy is released by a photon emitted by an electron moving from n=6 to ground state?
2.12 x 10-18 J
What does the orbital angular momentum indicate?
shape
How many valence electrons does phosphorus have?
5
What is electron affinity?
The energy released when an electron is added to the gas phase of an atom
Calculate the frequency of light emitted by a hydrogen atom when its electron moves from n=5 to n=2
6.91 x 1014 Hz
What is the change in energy between n=4 and n=5 states for an F2 molecule trapped in a one dimension well of 3.0cm?
8.7 x 10-39 J
What is a node?
The region or space around the nucleus where the probability of finding an electron is 0
What is the noble gas configuration of calcium?
[Ar]4s2
Which atom has a greater ionic radius?
Fe, Fe2+, or Fe3+
Fe
What is the uncertainty in the position of a photon with mass of 6.7 x 10-30 kg moving with an uncertainty of 21m/s?
3.7 x 10-7 m
Calculate the wavelength of light needed to excite an electron in a one-dimensional box with length of 32nm from the ground state to its third excited state
225 μm
What is wrong with the following set of quantum numbers?
{3,2,1,0}
Spin cannot be 0
Draw the orbital diagram for Sulfur.
See my drawing
Order these atoms by increasing electronegativity:
N, He, F, P
He < P < N < F
What is the uncertainty of an electron's velocity when position is known within 2.31 nm?
2.51 x 104 m/s
What is the energy level that the electron moves to when a hydrogen atom trapped in a 817pm box at ground state absorbs a photon wavelength of 91.64nm?
n=5
Determine the set of 4 quantum numbers for Oxygen
{2, 1, -1, -1/2}
Write the full electron configuration for Lead
1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p2
Which period 2 element would likely have the following successive ionization energies?
IE1 1314 kJ/mol
IE2 3389 kJ/mol
IE3 5298 kJ/mol
IE4 10,992 kJ/mol
IE5 13,329 kJ/mol
IE6 71,345 kJ/mol
IE7 84,087 kJ/mol
Nitrogen