Oxygen is an active gas, life-sustaining component of the atmosphere. Making up 20.94% by volume or 23% by weight of the air we human beings breathe. The word originated from the Greek word oxy & genes meaning sharp or acid & born respectively. Combining these Greek words together forms an oxy gene which means acid forming.
Oxygen can exist in a number of physical forms, Oxygen exists in all three forms- solid, liquid & gases, Liquid oxygen is potentially hazardous about flames & sparks as it will greatly accelerate combustion., Oxygen has a cubic crystal structure., Oxygen gas is colorless, odorless, & tasteless., Oxygen ‘s boiling Point :- 183oC, Oxygen’s melting Point :- 218.4oC, Oxygen the essential element in the respiratory processes of most of the living cells & in combustion processes., Oxygen supports combustion, combines with most elements, & Oxygen is a component of hundreds of thousands of organic compounds., Oxygen can be separated from air by fractionated liquefaction & distillation., Oxygen is a very reactive oxidizing agent., Liquid oxygen is also slightly paramagnetic., Molecular oxygen is a stable druidical., Oxygen has 2 electrons in an unpaired triplet state. Oxygen is the only gas naturally occurring chemical with this property.
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