Phosphorus bursts into flame when exposed to oxygen. what element might be used when storing pure phosphorus to keep it from reacting?

Answer;

Argon

Explanation;Phosphorus is an element found in group 15 of the periodic table, it is one of the element that belongs to nitrogen family.The element phosphorus exhibits allotrophy, namely; white phosphorus, red phosphorus and black phosphorus. Phosphorus, particularly the white phosphorus combines with oxygen so easily that it catches fire automatically. Thus, as a safety precaution, white phosphorus is stored under water in laboratories. It may be also stored in argon, since argon is an inert element which belongs to the noble gases group.