In NMR spectroscops, atoes absorb natio feqpency nafition in be prosence of a magnetic field. What is the prysical reselt of this energy ahsorption? inversion of the sterrochemistries of a molecule's sterrognic centers bending or iterathing of molecules ieverion of emclear spion sanes and promobion of nackel to a higher esorgy level promotion of electroes to a higher energy livel