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Oxygen is a non-flammable gas that is colorless and odorless. It has a melting point of 54.36 Kelvin and a boiling point of 90.19 Kelvin. Oxygen speeds the rate of combustion by acting as an oxidizing agent.


Physical properties are characteristics of matter that can be observed without making any changes to the chemical composition of that given matter. In academic contexts, physical properties are often contrasted with chemical properties.


Water has numerous physical properties, including the color, surface tension and adhesion. There are far more physical properties than chemical properties. This is partially due to water taking so many forms, such as ice or steam; each form of water has different proper...


The properties of the oxygen family include the fact that, as atomic numbers increase, the elements in the family increase in metal similarity and decrease in electronegativity. All elements in the family exist in a natural state as ions.


Oxygen gas is free from odor, taste and color, combines with the majority of other elements, supports combustion, is very paramagnetic and has a pale blue color in both its solid and liquid forms. Oxygen is also a part of over 100,000 organic compounds.


Physically, acids have a sour taste, are soluble in water, turn blue litmus paper red, are corrosive, have pH values less than 7 and conduct electricity. These physical properties of acids are a byproduct of the acids' chemical properties. Acids can be solutions or pure...


The physical properties of paper include weight or grammage, caliber, opacity, strength, brightness, smoothness and amount of moisture contained in the paper, to name a few.