TOP GUIDELINES OF NEGLECTED AIR VENT SANITATION

If left undisturbed, our hydrogen atom likes to bind its electron as tightly as it can, and so we might locate the electron in the bottom energy level, which is called the "ground condition." However, if our atom is immersed in the beam of light from, say, a close-by star, quicker or afterwards the atom will face a photon with an energy that is cer