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Ubi dubium, ibi libertas
Nunca me he encontrado con alguien tan ignorante
de quien no pudiese aprender algo
Galileo Galilei
Cursos de J2EE

"Hidrocarburo - ALCANO"
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Ryoko Yuy
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(missing resource [message.user.registered] for locale [en_US] :01:05 del 17 de Octde 2006
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hola, queria saber donde puedo hubicar la covalencia doble en un PENTENO...

gracias...
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kaoruneo
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(missing resource [message.user.registered] for locale [en_US] :07:16 del 18 de Marde 2007
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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 Partido de risa Partido de risa Partido de risa
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revof93
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(missing resource [message.user.registered] for locale [en_US] :12:29 del 24 de Junde 2007
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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
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(missing resource [message.user.registered] for locale [en_US] :02:55 del 03 de Mayde 2008
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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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