Question: what are 3 physical properties of fluorine?
Answer: Color : It is a pale yellow, white or colourless gas., Fluorescence : It can sometimes be fluorescent., Solubility : In liquid form it is freely soluble in liquid oxygen and ozone., Odor : Pungent., Density : A density of 1.695 grams per liter, it is 1.3 times as dense as air.