In each absorption event, the atom loses a momentum equal to the momentum of the photon.
After the decay, the atom will change to another element, because the atom loses two protons.
When these atoms lose an electron, the likelihood that they will absorb energy increases.
What had been gold would become dross, and the atom would lose power and prestige.
When that atom loses or gains the electron, it becomes stable.
Once excited, atoms will lose their energy fairly quickly.
An excited atom can lose its energy by emitting a photon.
When the fear goes and the atoms lose their grip on one another, then at last you find your footing.
The same way, Fe+2 (ferrous) has a +2 charge and the neutral atom lost 2 electrons.
The atoms lose their individual identity!