Asteroid Spectroscopy
Asteroid Spectroscopy
Asteroid Spectroscopy
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Consider Fe 2+ in an octahedral site<br />
⇒Three lower energy orbitals (groundstate)<br />
⇒Two higher energy orbitals<br />
Fe 2+ ⇒ six d-electrons<br />
Electrons have a spin orientation (spin up, spin<br />
down)<br />
Pauli Exclusion Principle<br />
Only two electrons (with opposite spins) can<br />
occupy any individual orbital<br />
First five electrons each occupy one of the five<br />
d-orbitals