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Ubi dubium, ibi libertas

En cada pais y en cada época, los clérigos han sido hostiles a la libertad Thomas Jefferson

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Ryoko Yuy (missing resource [message.user.messages] for locale [en_US] : 1 (missing resource [message.user.registered] for locale [en_US] :01:05 del 17 de Octde 2006 (missing resource [message.user.country] for locale [en_US] :	(missing resource [message.published] for locale [en_US] : 01:09 del 17 de Octde 2006 (missing resource [message.title] for locale [en_US] : Hidrocarburo - ALCANO hola, queria saber donde puedo hubicar la covalencia doble en un PENTENO... gracias...
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kaoruneo (missing resource [message.user.messages] for locale [en_US] : 1 (missing resource [message.user.registered] for locale [en_US] :07:16 del 18 de Marde 2007 (missing resource [message.user.country] for locale [en_US] :	(missing resource [message.published] for locale [en_US] : 07:21 del 18 de Marde 2007 (missing resource [message.title] for locale [en_US] : bueno la verdad es q soy estudiante de 10 grado soy de colombia y pues necesito q me respondan unas preguntas para una tesisi super importante q tengo q hacer para el siguiente año poder graduarme...las preguntas son las siguientes: 1. como varian en la tabla periodica la ionización, el redio átomico, el volumen átomico y la electronegatividad. les agradeceria mucho si me ayudaran con este tema q la verdad no tengo ningun libro en el q pueda encontrar estos temas y en internet la verdad no encuentro nada.. y pues depronto unos dibujos o las tablas peridicas en si de dobereiner y newlands.... tanks
(missing resource [topic.top] for locale [en_US]	(missing resource [user.viewprofile] for locale [en_US]
revof93 (missing resource [message.user.messages] for locale [en_US] : 3 (missing resource [message.user.registered] for locale [en_US] :12:29 del 24 de Junde 2007 (missing resource [message.user.country] for locale [en_US] :	(missing resource [message.published] for locale [en_US] : 12:38 del 24 de Junde 2007 (missing resource [message.title] for locale [en_US] : hola la verdad es que no se mucho acerca de la quimica porque pues tengo 14 años y me gustaria que alguien me mandara correos diciendome cosas o en cierta forma enseñarme
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tamara19 (missing resource [message.user.messages] for locale [en_US] : 1 (missing resource [message.user.registered] for locale [en_US] :02:55 del 03 de Mayde 2008 (missing resource [message.user.country] for locale [en_US] :	(missing resource [message.published] for locale [en_US] : 02:56 del 03 de Mayde 2008 (missing resource [message.title] for locale [en_US] : ola me llamo tamara, y era para responder a la pregunta de como varia la electronegatividad en la tabla periodica, cuanto mas a la derecha y arriba este mas electronegativo es, el mas electronegativo es el fluor.
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