Chemical properties – Phosphorus symbol, electronic configuration, density


phosphorus
Phosphorus

Description:

Phosphorus is a multivalent nonmetal of the nitrogen group. It is a component of DNA, RNA, ATP, and also the phospholipids that form all cell membranes. It is thus an essential element for all living cells, and organisms tend to accumulate and concentrate it. Today, the most important commercial use of phosphorus-based chemicals is the production of fertilizers, to replace the phosphorus that plants remove from the soil. It is widely used to make organophosphorus compounds. It is also an important component in steel production, in the making of phosphor bronze, and in many other related products. Phosphates are utilized in the making of special glasses that are used for sodium lamps.

Chemical Properties.

Appearance White or red powder
Atomic Number 15
Atomic Weight 30.973 g/mol
Block p
Boiling Point 280.5 °C(white)
CAS Number 7723-14-0
Class 4.1
Density 1.823 g/cm3(white), 2.34g/cm3(red)
EINECS Number 231-768-7
Electron Configuration 1s2 2s2 2p3s2 3p3
Group 15
HS Code 28047000
Ionization Energy 1011.8 KJ/mol
Melting Point 44.2 °C(white)
Oxidation State 5,4,3,2,1,-1,-2,-3
PG 3
Period 3
RTECS Number TH3495000
Symbol P

phosphorous producers/ suppliers – http://www.worldofchemicals.com/chemicals/manufacturers/fl/phosphorus.html

 

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