Scientists
Who discovered the electron?
What is an orbital?
What is the purpose of quantum numbers?
To describe the orbital in which an electron may be found in
What is the purpose of electron configuration?
To provide a shorthand notation that shows electron arrangement within orbitals
Is orbital an idea of the nuclear or quantum model?
Quantum
What contribution did Erwin Schrodinger provide to the quantum mechanical model?
A mathematical description that treats electrons as waves
For a principle quantum number, n, equal to 3, what is the total number of orbitals permitted?
9
What does the principle quantum number (n) help to describe about an orbital?
The size and energy of an orbital.
What are the three ways that electron configuration can be written out?
Energy level diagrams, complete electron configuration, and condensed electron configuration
Which model consists of a 2-d ring?
Nuclear
Which scientist thought of electrons having wave like properties?
De Broglie
For a principle quantum number, n, equal to 9, what is the total number of orbitals permitted?
81
What are the notations for each subshell number?
s,p,d,f
When writing out the condensed electron configuration of a noble gas, are you allowed to just write the chemical symbol of that noble gas as its condensed electron figuration?
No
How many electrons orbit a ring in the nuclear model?
2, 8, 18
According to Heisenberg's Uncertainty Principle, what is impossible to predict about an electron?
The position and momentum
What kind of waves do orbital circumferences have to fit?
Whole waves
What is the magnetic quantum number (ml) for a d orbital?
2
Determine what element is denoted by the following electron configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s1
Rubidium
How do electrons move about, according to the quantum model?
In waves
What are the three points of energy of electrons that Bohr provided?
1. Atom has only specific energy levels that an electron can occupy
2. Within energy levels, electrons do not emit energy
3. Electrons change level by absorbing or emitting energy
Place the following orbitals in order of increasing energy: 1s2, 5p6, 3d10, 6s2, 5d10, 3s2, 4f14, 4s2, 7s2, 3p6
1s2, 3s2, 3p6, 4s2, 3d10, 5p6, 6s2, 4f14, 5d10, 7s2,
Each orbital subshell gets a single electron first and then an electron can pair with it. All single electrons have a positive spin. Which rule is this?
Hund's rule
What is the electron configuration of Fe3+?
1s2, 2s2, 2p6, 3s2, 3p6, 3d5
How far are electrons from the nucleus, according to the quantum model?
A variable distance