<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><a href="http://en.wikipedia.org/wiki/Mercury_(element)">http://en.wikipedia.org/wiki/Mercury_(element)</a> ( the following are excepts from the site .... )</div><div><br></div><div><br></div><div><span class="Apple-style-span" style="font-size: 17px; font-family: -webkit-sans-serif; line-height: 25px; "><div style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; "><b>Mercury</b> (<small>IPA</small>: <span title="Pronunciation in IPA" class="IPA" style="font-family: inherit; "><a href="http://en.wikipedia.org/wiki/Wikipedia:IPA_for_English" title="Wikipedia:IPA for English" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">/ˈmɜrkjʊri/</a></span>), also called <b>quicksilver</b> (<span title="Representation in the International Phonetic Alphabet (IPA)" class="IPA" style="font-family: inherit; ">/ˈkwɪksɪlvər/</span>)<sup id="cite_ref-0" class="reference" style="line-height: 1em; "><a href="http://en.wikipedia.org/wiki/Mercury_(element)#cite_note-0" title="" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; white-space: nowrap; background-position: initial initial; "><span>[</span>1<span>]</span></a></sup> or <b>hydrargyrum</b> (<span title="Representation in the International Phonetic Alphabet (IPA)" class="IPA" style="font-family: inherit; ">/haɪˈdrɑrdʒɨrəm/</span>), is a <a href="http://en.wikipedia.org/wiki/Chemical_element" title="Chemical element" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">chemical element</a> with the symbol <b>Hg</b> (<a href="http://en.wikipedia.org/wiki/Latinized" title="Latinized" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">Latinized</a> <a href="http://en.wikipedia.org/wiki/Greek_language" title="Greek language" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">Greek</a>: <span lang="el" xml:lang="el"><i>hydrargyrum</i></span>, meaning <i>watery</i> or <i>liquid</i> <i>silver</i>) and<a href="http://en.wikipedia.org/wiki/Atomic_number" title="Atomic number" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">atomic number</a> 80. A heavy, silvery <a href="http://en.wikipedia.org/wiki/D-block" title="D-block" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">d-block</a> <a href="http://en.wikipedia.org/wiki/Metal" title="Metal" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">metal</a>, mercury is one of six elements that are <a href="http://en.wikipedia.org/wiki/Liquid" title="Liquid" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">liquid</a> at or near<a href="http://en.wikipedia.org/wiki/Room_temperature" title="Room temperature" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">room temperature</a> and pressure.<sup id="cite_ref-1" class="reference" style="line-height: 1em; "><a href="http://en.wikipedia.org/wiki/Mercury_(element)#cite_note-1" title="" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; white-space: nowrap; background-position: initial initial; "><span>[</span>2<span>]</span></a></sup><sup id="cite_ref-2" class="reference" style="line-height: 1em; "><a href="http://en.wikipedia.org/wiki/Mercury_(element)#cite_note-2" title="" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; white-space: nowrap; background-position: initial initial; "><span>[</span>3<span>]</span></a></sup> The others are the elements <a href="http://en.wikipedia.org/wiki/Caesium" title="Caesium" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">caesium</a>, <a href="http://en.wikipedia.org/wiki/Francium" title="Francium" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">francium</a>, <a href="http://en.wikipedia.org/wiki/Gallium" title="Gallium" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">gallium</a>, <a href="http://en.wikipedia.org/wiki/Bromine" title="Bromine" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">bromine</a>, and<a href="http://en.wikipedia.org/wiki/Rubidium" title="Rubidium" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">rubidium</a>. Of the metals, only mercury is liquid at <a href="http://en.wikipedia.org/wiki/Standard_conditions_for_temperature_and_pressure" title="Standard conditions for temperature and pressure" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">standard conditions for temperature and pressure</a> with the<a href="http://en.wikipedia.org/wiki/Melting_point" title="Melting point" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">melting point</a> of −38.83°C and the <a href="http://en.wikipedia.org/wiki/Boiling_point" title="Boiling point" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">boiling point</a> of 356.73°C, making it one of the narrowest liquid range of any metals. Mercury is used in <a href="http://en.wikipedia.org/wiki/Thermometer" title="Thermometer" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">thermometers</a>, <a href="http://en.wikipedia.org/wiki/Barometer" title="Barometer" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">barometers</a>, <a href="http://en.wikipedia.org/wiki/Manometer" title="Manometer" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">manometers</a>, <a href="http://en.wikipedia.org/wiki/Sphygmomanometer" title="Sphygmomanometer" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">sphygmomanometers</a>, <a href="http://en.wikipedia.org/wiki/Float_valve" title="Float valve" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">float valves</a>, and other scientific apparatus, though concerns about the element's toxicity have led to mercury thermometers and sphygmomanometers being largely phased out in clinical environments in favour of<a href="http://en.wikipedia.org/wiki/Alcohol" title="Alcohol" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">alcohol</a>-filled, digital, or <a href="http://en.wikipedia.org/wiki/Thermistor" title="Thermistor" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">thermistor</a>-based instruments. It remains in use in a number of other ways in scientific and scientific research applications, and in <a href="http://en.wikipedia.org/wiki/Amalgam_(dentistry)" title="Amalgam (dentistry)" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">amalgam</a> material for <a href="http://en.wikipedia.org/wiki/Dental_restoration" title="Dental restoration" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">dental restoration</a>. Mercury is mostly obtained by reduction from the <a href="http://en.wikipedia.org/wiki/Mineral" title="Mineral" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">mineral</a> <a href="http://en.wikipedia.org/wiki/Cinnabar" title="Cinnabar" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">cinnabar</a>. Electricity is passed through mercury vapor to produce short-wave ultraviolet light which then causes the phosphor coated on the inside of the tube to fluoresce, making visible light.</div><div style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; ">Mercury occurs in deposits throughout the world. It is harmless in an insoluble form, such as <a href="http://en.wikipedia.org/wiki/Mercuric_sulfide" title="Mercuric sulfide" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">mercuric sulfide</a><sup class="noprint Template-Fact" style="line-height: 1em; "><span title="This claim needs references to reliable sources since February 2009" style="white-space: nowrap; ">[<i><a href="http://en.wikipedia.org/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">citation needed</a></i>]</span></sup>, but <a href="http://en.wikipedia.org/wiki/Mercury_poisoning" title="Mercury poisoning" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">mercury poisoning</a> can result from exposure to soluble forms (such as <a href="http://en.wikipedia.org/wiki/Mercuric_chloride" title="Mercuric chloride" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">mercuric chloride</a> or <a href="http://en.wikipedia.org/wiki/Methylmercury" title="Methylmercury" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">methylmercury</a>), inhalation of mercury vapour, or eating fish contaminated with mercury.</div><div style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; "><br></div><div style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; "><h2 style="color: black; background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; font-weight: normal; margin-top: 0px; margin-right: 0px; margin-bottom: 0.6em; margin-left: 0px; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 26px; background-position: initial initial; "><span class="mw-headline">Safety</span></h2><div class="rellink boilerplate seealso" style="font-style: italic; padding-left: 2em; ">See also: <a href="http://en.wikipedia.org/wiki/Mercury_poisoning" title="Mercury poisoning" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">Mercury poisoning</a></div><div class="floatleft" style="float: left; clear: left; position: relative; margin-top: 0px; margin-right: 0.5em; margin-bottom: 0.5em; margin-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><a href="http://en.wikipedia.org/wiki/File:Skull_and_crossbones.svg" class="image" title="Skull and crossbones.svg" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; "></a></div></div></span></div></body></html>