Question

a piece of white phosphorous suddenly catches fire external intervention ,this is an example of​

Answer 1

Answer:

Explanation:

White phosphorus is a soft, waxy, flammable substance, consisting of tetrahedral P4 molecules; it is often slightly yellowish because of the presence of impurities.White phosphorus is highly reactive, and spontaneously ignites at about 30°C in moist air.  It is usually stored under water, to prevent exposure to the air.

 It is also extremely toxic, even in very small quantities.White phosphorus is extremely toxic; the approximate fatal dose is about 50 to 100 mg.  Even in very small quantities, it produces severe gastrointestinal irritation, diarrhea, and liver damage.  It also causes burns when it comes in contact with skin.

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