Black phosphorus is used for fertilizers....thats all i know cuz i dont know s**t look it up on wiki!
Red, yellow and black phosphorus have the same emperical formula P4.
Phophorus, whose allotropes are red phosphorus, white phosphorus , black phosphorus, violet phosphorus
it is commonly found as white (also yellow) phosphorus and red phosphorus and scientists made purple phosphorus and black phosphorus
Phosphorus standard is also known as black phosphorus. It has relatively few uses and is pretty cheap.
Phosphorus is a white yellow red violet and black! i hate science!
There is white, red, violet and black
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Aluminum
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This may mean phosphorus which has a number of allotropes some of which are based on their colour White phosphorus - P4 red phosphorus - amorphous and three crystalline forms all polymeric in nature black phosphorus - three forms are known - again polymeric violet phosphorus (aqlso called Hittorfs phosphorus) As you can see some of the coloured forms exist in different crystalline forms and therefore colour alone is not a good indication of which allotrope is meant. The wikipedia artcle is inaccurate- if you can access Greenwood and Earnshaw "Chemistry of the e lements" that has a good write up.
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Phosphorus has a number of different allotropes each with different densities. These allotropes are (white) 1.823, (red) ≈ 2.2 -- 2.34, (violet) 2.36, (black) 2.69 g·cm−3 Phosphorus has a atomic mass of 30.97376.