Magnesium: Wikipedia Visual Summary by WikiSummarizer

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This Visual Summary presents the keywords and the summaries of the Wikipedia article about "Magnesium". The Visual Summary map and the Keyword Cloud were automatically created by WikiSummarizer.

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Keyword Cloud with links to Wikipedia Knowledge Base

 

  

Essential Summary

 Wikipedia article:  Magnesium

 

Magnesium

 

Magnesium (100)

 

·         Magnesium is the fourth most common element in the Earth as a whole (behind iron, oxygen and silicon), making up 13% of the planet's mass and a large fraction of planet's mantle.

 

·         The relative abundance of magnesium is related to the fact that it is easily built up in supernova stars from a sequential addition of three helium nuclei to carbon (which in turn is made from three helium nuclei).

 

·         Since magnesium is less dense than aluminium, these alloys are prized for their relative lightness and strength.

 

·         It tarnishes slightly when exposed to air, although unlike the alkali metals, storage in an oxygen-free environment is unnecessary because magnesium is protected by a thin layer of oxide that is fairly impermeable and difficult to remove.

 

·         Like its lower periodic table group neighbor calcium, magnesium reacts with water at room temperature, though it reacts much more slowly than calcium.

 

·         Once ignited, it is difficult to extinguish, being able to burn in nitrogen (forming magnesium nitride), carbon dioxide (forming magnesium oxide and carbon) and water (forming magnesium oxide and hydrogen).

 

·         Magnesium compounds are typically white crystals.

 

·         Small amounts of dissolved magnesium ion contribute to the tartness and taste of natural waters.

 

·         Magnesium ion in large amounts is an ionic laxative, and magnesium sulfate (common name: Epsom salt) is sometimes used for this purpose.

 

·         So-called "milk of magnesia" is a water suspension of one of the few insoluble magnesium compounds, magnesium hydroxide.

 

·         Magnesium hydroxide (brucite) is insoluble in water so it can be filtered out, and reacted with hydrochloric acid to obtain concentrated magnesium chloride.

 

·         The main applications of magnesium are, in order: component of aluminium alloys, in die-casting (alloyed with zinc), to remove sulfur in the production of iron and steel, the production of titanium in the Kroll process.

 

·         Specialty, high-grade car wheels of magnesium alloy are called "mag wheels", although the term is often more broadly misapplied to include aluminum wheels.

 

·         Historically, magnesium was one of the main aerospace construction metals and was used for German military aircraft as early as World War I and extensively for German aircraft in World War II.

 

·         Niche and illustrative uses of magnesium compounds Magnesium sulfate, as the heptahydrate called Epsom salts, is used as bath salts, as a laxative, and as a highly soluble fertilizer.

 

·         Magnesium deficiency in plants causes late-season yellowing between leaf veins, especially in older leaves, and can be corrected by applying Epsom salts (which is rapidly leached), or else crushed dolomitic limestone to the soil.

 

·         Serum magnesium levels may appear normal even in cases of underlying intracellular deficiency, although no known mechanism maintains a homeostatic level in the blood other than renal excretion of high blood levels.

 

·         Magnesium is capable of reducing water to the highly flammable hydrogen gas: As a result, water cannot be used to extinguish magnesium fires; the hydrogen gas produced will only intensify the fire.

 

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· This summary was produced by WikiSummarizer for Wikipedia

 

· WikiSummarizer is an automated text summarization and text mining application created by Context Discovery Inc

 

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About Context Discovery WikiSummarizer

WikiSummarizer is a Web-based summarization portal that summarizes Wikipedia articles and presents the results as a structured outline, a Visual Summary and a Keyword Cloud.

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About Henry

Hi, I’m Henry Lewkowicz and I’m the CEO of Context Discovery Inc. For long time I have been interested in the importance of context in understanding information. Intuitively we recognize the meaning of context when we say “you took my words out of context”. This phrase vividly signifies how much we care about our intentions and point of view. I believe that in the Internet age context plays a big role in rapid understanding of information. I’ll go on the record and say that in fact seeing information in context dramatically speeds understanding and simplifies application of information. In this blog I hope to have a lively dialog with you on a range of subjects related to context, information overload, knowledge, learning and other fun topics. In the course of doing it I will be using our own application, Context Organizer, as an experiment in capturing in 1 sentence what bloggers and other writers publish. I hope that we all will have some fun with it and learn more about communicating. Although this is primarily a technology and business blog, to great degree it's also my personal blog. From time to time, amongst the customary posts, I will write about issues that I passionately care about, my travels, and photos that I've taken. Periodically I refer to my family or friends, and sometimes you even see my vacation photos. I hope to make lots of new friends and learn a great deal in the process. Life is too short…. Enjoy, and feel free to write to me.
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