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What does elemental fluorine look and smell like at room temperature?

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A labeled diagram of the periodic table entry for fluorine, showing its atomic number 9, symbol F, atomic weight 18.998, electron configuration, and indicating it is a halogen and a gas at room temperature. — fluorine Properties of fluorine.

At room temperature, elemental fluorine exists as a faintly yellow gas that possesses an irritating odor. It is important to note that inhalation of this gas is dangerous.1