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magnesium [Mg]
From the Greek Magnesia, a city in Thessaly. First recognized as an element by Joseph Black in 1755. Isolated by Sir Humphrey Davy in 1808.
Occurrence:
1) occurs in abundantly in nature
2) isolated from
a) seawater
b) carnalite
c) magnesite
d) dolomite
Characteristics:
1) a silver-white malleable ductile metallic element
2) ignites at 500 degrees C
-> produces intense white light upon burning
Uses:
1) metallurgy & chemical processes
2) photography
3) manufacture of pyrotechnics
4) construction esp in the form of light alloys
5) as a 'sacrifical' electrode
5) component of chlorophyll & of many enzymes
Related
Mg+2
periodic table
General
alkaline earth metal
Properties
SIZE: AW = 24.305
atomic number
VALUE: 12
VALENCE: NE 3S2
Database Correlations
PUBCHEM correlations
References
- Webster's Ninth New Collegiate Dictionary, Miriam-
Webster Inc. Springfield, MA 1990
- Chemical & Engineering News, Sept 8, 2003
- ARUP Consult: Trace Elements - Deficiency and Toxicity
The Physician's Guide to Laboratory Test Selection & Interpretation
https://www.arupconsult.com/content/trace-minerals