oxidising agents Oxygen

Oxygen gas is colorless, odorless, and tasteless. The liquid and solid forms are a pale blue color and are strongly paramagnetic. Oxygen supports combustion, combines with most elements, and is a component of hundreds of thousands of organic compounds poor conductor of heat and electricity Denser than air Slightly soluble in water and alcohol very reactive element

Sodium burns quickly with a bright yellow flame. Na2O, sodium peroxide - a yellow powder. Magnesium Burns with a brilliant white flame. MgO, magnesium oxide - a white ash.