Chemical properties – Potassium symbol, electronic configuration, density


Description:

Potassium is an alkali metal. Potassium ions are an essential component of plant nutrition and are found in most soil types. They are used as a fertilizer in agriculture, horticulture, and hydroponic culture in the form of chloride, sulfate, or nitrate. The potassium cation is a nutrient necessary for human life and health. Potassium chloride is used as a substitute for table salt by those seeking to reduce sodium intake so as to control hypertension. Vapor of pure potassium is used in several types of magnetometers. It can also be used in reactive distillation.

Chemical Properties.

Appearance Silvery gray metal
Atomic Number 19
Atomic Weight 39.0983 g/mol
Block s
Boiling Point 759 °C
CAS Number 7440-09-7
Class 4.3
Crystal Structure Body-centered cubic
Density 0.862 g/cm3
EINECS Number 231-119-8
Electron Configuration 1s2 2s2 2p6 3s2 3p6 4s1
Group 1
Ionization Energy 418.8 KJ/mol
Melting Point 63.38 °C
NFPA 704 H-3,F-3,R-2,C-W
Oxidation State 1
PG 1
Period 4
RTECS Number TS8050000
Symbol K

Potassium producers/suppliers – http://www.worldofchemicals.com/chemicals/manufacturers/fl/potassium.html

 

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