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File:Small lead weight, 0.4 cm.jpg

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English: Lead is known since ancient times and was widely used then. This often caused big sanitary problems, because its compounds are quite toxic. 208Pb is the last stable isotope in the periodic table and the end of the thorium decay chain. Therefore lead is quite abundant for an element with such a high number. Lead is a grey, very heavy and soft metal with a low melting point. Amongst others, it is used for weights and for radiation protection. Lead forms in air quickly a protecting oxide layer, which makes it dark.
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Source http://images-of-elements.com/lead.php
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Chemical Elements

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This file is available from Chemical Elements - A Virtual Museum (Jumk.de Webprojects). (images-of-elements.com). Materials from this website available via Creative Commons Attribution 3.0 Unported License.
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w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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current09:54, 6 October 2013Thumbnail for version as of 09:54, 6 October 2013400 × 400 (62 KB)Stas1995 (talk | contribs)User created page with UploadWizard

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