What happens to oxygen at the boiling point of -183°C?

At the boiling point of -183°C, oxygen undergoes a phase change from gas to liquid. This temperature is significant because it is the point at which oxygen transitions from being in a gaseous state at room temperature and pressure to becoming a liquid. When oxygen cools to this temperature, its molecules lose energy and come together to form a liquid, which can then be stored and transported as a cryogenic liquid for various medical and industrial applications. This understanding is crucial for handling oxygen tanks and ensuring safe practices in medical settings, where liquid oxygen is often used. The other scenarios presented, like solidifying or igniting, do not occur under these specific conditions. Thus, the phase change to a liquid effectively describes what happens to oxygen at -183°C.