Electron Structure Flashcards
1
Q
What is a sub-shell
A
A set of orbitals of the same energy
2
Q
How many electrons can occupy each orbital?
A
2
3
Q
What is a d sub-shell composed of?
A
5 d orbitals
4
Q
What order are orbitals filled?
A
From lowest to highest energy, usually s > p > d
However the 4s sub-shell is of a lower energy than the 3d sub-shell
5
Q
What is the effect of electron pairing?
A
Electrons are negatively charged thus repel each other, the electron pair repulsion causes the energy of the electrons to increase making them easier to remove.
