TEXT���X������!���6���d�����Text1Article�7�����Text1Heading�K��7���ElementGoToArticleArticle�<TABLE><TR><TD><P_EH>S&iacute;mbolo qu&iacute;mico</P_EH></TD><TD><P_ED>Tl</P_ED></TD></TR><TR><TD><P_EH>Tipo</P_EH></TD><TD><P_ED>Metal d&eacute;bil del bloque p</P_ED></TD></TR><TR><TD><P_EH>N&uacute;mero at&oacute;mico</P_EH></TD><TD><P_ED>81</P_ED></TD></TR><TR><TD><P_EH>Grupo de la tabla peri&oacute;dica</P_EH></TD><TD><P_ED>13</P_ED></TD></TR><TR><TD><P_EH>Masa at&oacute;mica relativa</P_EH></TD><TD><P_ED>204,39</P_ED></TD></TR><TR><TD><P_EH>Densidad</P_EH></TD><TD><P_ED>11,85&nbsp;g&nbsp;cm<SUP>-3</SUP></P_ED></TD></TR><TR><TD><P_EH>Punto de fusi&oacute;n</P_EH></TD><TD><P_ED>303,5&compfn;C</P_ED></TD></TR><TR><TD><P_EH>Punto de ebullici&oacute;n</P_EH></TD><TD><P_ED>1.460&compfn;C</P_ED></TD></TR><TR><TD><P_EH>Descubrimiento</P_EH></TD><TD><P_ED>En 1861 por William Crookes</P_ED></TD></TR><TR><TD><P_EH>Origen del nombre</P_EH></TD><TD><P_ED>Del griego <I>thallos</I>, un brote verde; las l&iacute;neas espectrales del talio son verdes</P_ED></TD></TR></TABLE><TITLE>Talio</TITLE><ENHP><HOT TARGET=581>Metales del bloque p</HOT></ENHP>