Does oxygen have a hardness?
Does oxygen have a hardness? Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Odor : Oxygen is an odorless gas. Taste : A tasteless gas. Conductivity : A poor conductor of heat and electricity. What are 3 interesting facts about oxygen? Here are 10 interesting facts about the element oxygen.Animals and plants require oxygen for respiration. Oxygen gas is colorless, odorless, and tasteless. Liquid and solid oxygen is pale blue. Oxygen is a nonmetal. Oxygen gas normally is the divalent molecule O2....