Chemistry: Electrons Flashcards
1
Q
What is the Aufbau Principle?
A
Electrons fill the sub shells of the lowest available energy
2
Q
What is Hunds rule?
A
Every sub shell will be occupied by 1 electron before a second one is added
3
Q
What is the Pauli exclusion principle?
A
no two electrons in the same atom can have identical values for all four of their quantum numbers
4
Q
What is the Bohr Model?
A
Small dense Nucleus with electrons orbiting it
5
Q
Sub level types
A
Different areas where an electron can be located
6
Q
Electrons lowest in energy are ____ to the nucleus
A
Closer
7
Q
The s sub level resembes this
A
Sphere
8
Q
Atomic orbital
A
The 3d orientation of a sub level
