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Desarrollo de la tabla periódica
Category:
Other
Updated:
27 Aug 2018
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333
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Created by
Arely
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Historia CAD
By
Arely
15 Aug 2018
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584
Modelado sólido
By
Arely
17 Oct 2018
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560
Periodo maderista-movimiento const.
By
Arely
15 Feb 2018
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478
New timeline
By
Arely
3 May 2018
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405
Events
1814 Jacobo Berzelius 2 clasificaciones: lectropositivos y electronegativos (metales y no metales)
1815 William Proust Masas atómicas a base de hidrógeno
1817 Johann Döbereiner Agrupación en triadas
1862 Chancourtois y Newlands Ley de octavas
1869 Julius Meyer Orden por volumen atómico
1869 Mendeléiv Primera tabla periódica por masas atómicas
1905 Alfred Werner Orden de la tabla larga como en la actualidad
1913 Henry Moseley Se determinó el número atómico de los elementos Se reagruparon en orden creciente
1944 Glenn T. Seaborg Reubicó 14 elementos debajo, los lantánidos (actínidos)
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