Quantum Chemistry Flashcards
(10 cards)
1
Q
Classical
A
- Large objects
- Newton’s law apply
- intuitive
2
Q
Modern quantum
A
- Very tiny particles (electrons, neutrons, protons)
- Newton’s law does not appy
- Not intuitive
3
Q
As energy goes up…..
As energy goes down…..
A
Absorption spectrum occurs
Emission spectrum occurs
4
Q
Schrodinger Wave Equation
A
Dispoves the idea that electrons stays in orbit
5
Q
Heidenberg uncertaintity equation
A
- Can dertermine where electron is 90% of the time
- Shinning light on electron to observe its location
6
Q
Orbitals
Quantum Numbers
A
-A region of space where there is a high chance an electron will be
- Explaining the mobility of finding the location of an electron
7
Q
Principal Quantum
Secondary Quantum
Magnetic Quantum
Spin
A
Energy levels (n) (cannot have 0)
Sub-shell (L) (n-1)
Sharp, principal, diffuse, fundemental (-L to L+) (2L+1)
+-1/2
8
Q
The Pauli Exclusion Principal
A
- No two electrons can have the same 4 sets and quantum numbers
9
Q
Hund’s Rule
A
- Add electrons one at a time er obital. The paired electron will be orientated in the opposite direction
10
Q
Aufbao Rule
A
Add electron form bottom to top