magnesium

Noun

Meaning

A light silver-white metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.4. Specific gravity, 1.75.

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The reactions of organic magnesium compounds are of two kinds - reactions of substitution and reactions of addition. Victor Grignard

Whereas, generally speaking, zinc reacts suitably only with the first members of the alkyl iodides, with magnesium it is possible to use bromides, iodides, and in many cases, chlorides. Victor Grignard

Adequate levels of phosphorus, potassium, calcium, magnesium, and micronutrients are also necessary for good yields. Source: Internet

Aluminium alloys and magnesium alloys are used for applications where strength and lightness are required. Source: Internet

Although magnesium and manganese are produced by weathering, exchanges between soil organic matter and living cells account for a significant portion of ecosystem fluxes. Source: Internet

Aqueous treatments include distilled water at different temperatures, calcium hydroxide, calcium bicarbonate, magnesium carbonate, magnesium bicarbonate, and calcium phytate. Source: Internet

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