Copper

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Copper (Cu) is a [[Transition metal|transition metal]] with an [[Atomic weight|atomic weight]] of 63.5g, it has an electron configuration of [Ar] 3d10 4s1 enabling it to form [[Oxidation|oxidation]] states of +1 and +2 .In its purest form it is a distinctive reddish-brown colour; however, once exposed to the atmosphere it slowly reacts forming a black oxide layer upon its surface. It is mined as copper ores (mostly copper sulphides) which contain on average only 0.6% copper. It is commonly used in wiring because of its high thermal and electrical conductivity, as well as in pipe work as it is very ductile.  
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Copper (Cu)&nbsp;is a [[Transition metal|transition metal]] with an [[Atomic weight|atomic weight]] of 63.5g, it has an electron configuration of&nbsp;[Ar] 3d10 4s1&nbsp;enabling it to form [[Oxidation|oxidation]] states of&nbsp;+1&nbsp;and +2 .In its purest form it&nbsp;is a distinctive reddish-brown colour; however, once exposed to the atmosphere it slowly reacts forming a black oxide layer&nbsp;upon its surface.&nbsp;It is mined as copper ores&nbsp;(mostly copper sulphides) which contain on average only 0.6% copper.&nbsp;It is commonly used in wiring because of its high thermal and&nbsp;electrical conductivity, as well as in pipe work as it is very ductile. <ref>Wikipedia - Copper (http://en.wikipedia.org/wiki/Copper#Chemical)</ref>
  
  
  
=== Reference ===
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=== Reference ===
  
<references /><ref>Wikipedia-Copper (http://en.wikipedia.org/wiki/Copper#Chemical)</ref>
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<references />

Revision as of 11:51, 22 October 2012

Copper (Cu) is a transition metal with an atomic weight of 63.5g, it has an electron configuration of [Ar] 3d10 4s1 enabling it to form oxidation states of +1 and +2 .In its purest form it is a distinctive reddish-brown colour; however, once exposed to the atmosphere it slowly reacts forming a black oxide layer upon its surface. It is mined as copper ores (mostly copper sulphides) which contain on average only 0.6% copper. It is commonly used in wiring because of its high thermal and electrical conductivity, as well as in pipe work as it is very ductile. [1]


Reference

  1. Wikipedia - Copper (http://en.wikipedia.org/wiki/Copper#Chemical)
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