How do you determine the state of matter in room temperature?

Answer 1

Elements can be classified based on physical states. The states of matter, are solids, gases or liquids, also Plasma is a state of matter similar to gas in which a certain portion of the particles are ionized

Answer 2

At room temperature, the state of matter of a substance can generally be determined by its normal state. For example, substances like water and ethanol are typically in liquid state at room temperature, while substances like oxygen and nitrogen are in gaseous state. Some metals may be in solid state at room temperature.