Understanding Hund's Rule and Calculating Iron's Electronic Configuration

[mogsy182]

queston
Determine electronic configuration of Fe and the ground state using hunds rule

Equations
Hunds rule

my attempt


got the configuration easy enough

1s2 2s2 2p6 3s2 3p6 3d6 4s2

problem I have is with huunds rule can't get started I am sure one example and il be ok with it.

 

[malawi_glenn]

what is Hunds rules? Please write them for us (we know what they are and how they work but you must provide us with a real attempt of solution before we help you, part of the rules here)