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</html><description>Rea&#xE7;&#xE3;o Nuclear A emiss&#xE3;o natural de uma part&#xED;cula, por um n&#xFA;cleo at&#xF4;mico inst&#xE1;vel, seja ela, alfa, beta, n&#xEA;utron, pr&#xF3;ton, etc, transforma o n&#xFA;cleo de um determinado elemento qu&#xED;mico em um novo n&#xFA;cleo que corresponde &#xE0; um outro elemento qu&#xED;mico. Assim , cada uma dessas desintegra&#xE7;&#xF5;es radioativas representa a transmuta&#xE7;&#xE3;o de um elemento em outro. (Transmuta&#xE7;&#xE3;o [&hellip;]</description><thumbnail_url>http://www.quiprocura.net/Image1.jpg</thumbnail_url></oembed>
