Quantum
transitions
energy levels within atomic and molecular systems
quantized
only discrete orbits/energies permitted
when atom
makes a transition between 2 states, gives up energy corresponding to
the difference
discrete amounts of energy
only (photons)
types of
transition
collisional
excitation/deexcitation
radiative absorption + spontaneous emission; stimulated
emission
Photon energy µ radiation frequency (color)
DE = Efinal - Einitial = hn (radiation) or œmv2 (collisional)