Warning: Declaration of MyAuthPlugin::initUser(&$user) should be compatible with AuthPlugin::initUser(&$user, $autocreate = false) in /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php on line 37

Warning: session_name(): Cannot change session name when session is active in /home/tig/www/aalf/www/wiki/includes/Setup.php on line 222

Warning: session_set_cookie_params(): Cannot change session cookie parameters when session is active in /home/tig/www/aalf/www/wiki/includes/GlobalFunctions.php on line 2446

Warning: session_cache_limiter(): Cannot change cache limiter when session is active in /home/tig/www/aalf/www/wiki/includes/GlobalFunctions.php on line 2451

Warning: Parameter 1 to MediaWiki_TIGAutoAuthenticate() expected to be a reference, value given in /home/tig/www/aalf/www/wiki/includes/Hooks.php on line 117

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/Feed.php on line 125

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/WebResponse.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/WebResponse.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/WebResponse.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/WebResponse.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /home/tig/www/aalf/www/wiki/extensions/DDNAuthPlugin.php:4) in /home/tig/www/aalf/www/wiki/includes/WebResponse.php on line 10
http://beta.aalf.org/wiki/index.php?action=history&feed=atom&title=BrissonMuse48 2026-11-02T00:09:30Z Revision history for this page on the wiki MediaWiki 1.13.3 http://beta.aalf.org/wiki/index.php?title=BrissonMuse48&diff=72880&oldid=prev 2012-05-02T00:09:01Z

<p>New page: Gold (act /'go?ld/) typically is a chemical element with all the symbol Au (from Latin: aurum &quot;gold&quot;) and even an atomic number of 79. Gold is a dense, soft, shiny, malleable not to mentio...</p> <p><b>New page</b></p><div>Gold (act /'go?ld/) typically is a chemical element with all the symbol Au (from Latin: aurum &quot;gold&quot;) and even an atomic number of 79. Gold is a dense, soft, shiny, malleable not to mention ductile metal. Pure gold has a bright yellow color plus luster traditionally considered appealing, that it maintains without having oxidizing with regard to air or alternatively H2O. Chemically, gold is actually a transition metal and a group 11 element. It is very one of many least reactive solid chemical ingredients. The actual metal therefore happens frequently throughout free elemental (native) form, because nuggets or alternatively grains throughout rocks, within veins plus within alluvial deposits. Less commonly, it happens within minerals as gold substances, usually alongside tellurium. <br /> Gold resists attacks by individual acids, but yet it may be dissolved by the aqua regia (nitro-hydrochloric acid), and so called given that it dissolves gold. Gold as well dissolves with regard to alkaline solutions of cyanide, that have been found in mining. Gold dissolves throughout mercury, forming amalgam alloys. Gold typically is insoluble in nitric acid, which dissolves silver and even base metals, a property that has extended been familiar with confirm the presence of gold within items, giving rise to the entire term the entire acid test. For More Information, Check Out: [http://ecuazon.com/find-gold find gold].<br /> <br /> Gold has become an useful and additionally highly sought-after valuable metal for coinage, jewelry, and also other arts because extended prior to the entire beginning of recorded history. Gold standards come with been the actual most common basis for monetary policies throughout human history[citation needed], being commonly supplanted by fiat currency only within the late 20th century. Gold has as well been frequently linked on to a spacious range of symbolisms and even ideologies. A total of 165,000 tonnes of gold currently have been mined throughout human history, as of 2009.[2] This really is approximately equivalent to be able to 5.3 billion troy ounces or simply, throughout terms of amount, about 8500 m3, or perhaps a cube 20.4 m on a side. The particular world usage of brand new gold yielded is actually regarding 50% in jewelry, 40% inside investments, and even 10% in industry.<br /> <br /> Besides its common financial and even symbolic functions, gold has numerous practical uses within dentistry, electronics, and even other fields. Its very good malleability, ductility, resistance in order to corrosion and additionally almost all some other chemical reactions, and additionally conductivity of electricity led that would numerous uses of gold, including electrical wiring, colored-glass production and additionally actually gold leaf eating.<br /> <br /> Gold is actually the most malleable and ductile of almost all metals; a single gram is beaten into a sheet of 1 square meter, or alternatively an ounce into 300 square feet. Gold leaf is beaten thin enough to be able to become transparent. The particular transmitted light appears greenish blue, as gold strongly reflects yellow then red.[4] Such semi-transparent sheets moreover strongly reflect infrared light, making them valuable because infrared (radiant heat) shields throughout visors of heat-resistant suits, then throughout sun-visors for spacesuits. For More Information, Check Out: [http://www.clarendonconsulting.com/self-esteem/ self confidence].<br /> <br /> Gold commonly creates alloys alongside other metals. These alloys is released in order to change the actual hardness not to mention other metallurgical qualities, to control melting point or perhaps to be able to create exotic hues (see below).[6] Gold is actually an advantageous conductor of heat not to mention electricity and even reflects infrared radiation strongly. Chemically, it's unaffected by air, dampness and a lot of corrosive reagents, and even is actually hence perfectly suited for make use of within coins and in addition jewelry and in addition because a defensive finish on alternative, more reactive, metals. But bear in mind, it is certainly not chemically inert. <br /> <br /> Popular oxidation states of gold consist of +1 (gold(I) and / or aurous compounds) and also +3 (gold(III) and / or auric compounds). Gold ions with regard to solution are really easily reduced as well as precipitated out because gold metal by adding any kind of additional metal because the actual decreasing agent. The particular added metal is actually oxidized then dissolves permitting the actual gold that would be displaced from solution and be recovered as a strong precipitate. <br /> <br /> Good quality pure metallic gold is tasteless plus scentless, with regard to keeping with its resistance in order to corrosion (it is very metal ions which confer taste to metals).<br /> <br /> With regard to addition, gold typically is surprisingly dense, a cubic meter weighing 19,300 kg. By comparison, the actual density of lead typically is 11,340 kg/m3, and also which associated with the densest element, osmium, is actually 22,610 kg/m3. For More Information, Check Out: [http://clarendonconsulting.com/bullying/ bullying in schools].</div>

BrissonMuse48