Which of the following is true about the freezing point of a substance?

The freezing point of a substance is defined as the temperature at which a liquid turns into a solid. This process involves the particles of the liquid losing energy and coming close together to form a solid structure. When a substance reaches its freezing point, the thermal energy is insufficient to keep the particles moving freely, resulting in the solid state.

In contrast, while there are other factors that can affect a substance's freezing point, such as pressure, it's essential to note that the freezing point is specifically about the transition from liquid to solid. Additionally, the freezing point of a substance is indeed the same as the melting point, which is the temperature at which a solid becomes a liquid; both phases occur at the same temperature under constant pressure. However, freezing can occur under varying conditions, including changes in pressure, thus making it unique compared to the attributes of condensation or the concept of being the "opposite" of another process.