what is HUND's rule?

Question

anonymous · Answer

http://en.wikipedia.org/wiki/Hunds_rule

anonymous · Answer

They are a set of rules used to determine the proper ground state term symbol for a multi-electron atom.

anonymous · Answer

Hund's rule is the rule of maximum multiplicity. it states that "every orbital in a subshell is singly filled by electrons before being doubly filled. "

anonymous · Answer

HUND' S RULE OF MAXIMUM MULTIPLICITY :
                                      Pairing of electrons in an orbital should not take place until all orbitals are singly occupied.

anonymous · Answer

hund's rule means that we must go to pairing in degenerate orbitals like p,d,...only after each orbital is given with one electron

anonymous · Answer

HUND'S RULE = every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.