Electron Configuration Flashcards
What are the levels?
1-7
What level has the lowest energy?
1
What are the sublevels?
s,p,d,f
What is the lowest and highest sublevel?
s-lowest f-highest
What is the Pauli exclusion principle?
Orbitals can contain up to 2 electrons
What is Hunds rule?
Electrons occupying orbitals of the same energy spin in opposite directions
What is Aufbau’s Principle?
Electrons enter orbital of lowest energy first
What is the elctron configuration of carbon?
[He] 2s(2) 2p(2)
What is the electron configuration of iron?
[Ar] 3d(6) 4s(2)
What is the electron confiuration of silicon?
[Ne] 3s(2) 3p(2)
What element?
1s(2) 2s(2) 2p(6) 3s(2) 3p(6) 4s(2) 3d(10) 4p(2)
Germanium
Draw an orbital diagram of selenium
4s’s filled closest to side arrow, 3d is further from arrow and finished at 4p(4)