Cuales son los elementos representativos de la tabla periodica
Asked By Admin @ 16/01/22 & Viewed By 306 Persons
¿Cuáles son los elementos representativos de la tabla periódica? explique las caracteristicas de cada uno de ellos
Asked By Admin @ 16/01/22 & Viewed By 306 Persons
¿Cuáles son los elementos representativos de la tabla periódica? explique las caracteristicas de cada uno de ellos
Los Elementos representativos, son elementos químicos de los grupos largos de la tabla periódica identificados por la letra A, encabezados por los elementos hidrógeno, berilio, boro, carbono, nitrógeno, oxígeno, flúor y helio, tal como aparecen en la tabla periódica de los elementos.
Características
Se caracterizan por presentar configuraciones electrónicas "externas" en su estado fundamental que van desde ns1 hasta ns2np6, a diferencia de los elementos de transición y de los elementos de transición interna.
Los elementos representativos son los elementos de los grupos 1 y 2 (bloque s), y de los grupos de 13 a 18 (bloque p).2 Hasta hace unos años, estos grupos se identificaban con números romanos del I al VII con la letra A.3 Los elementos del grupo 12 son generalmente considerados como metales de transición, sin embargo, el zinc (Zn), el cadmio (Cd), y el mercurio (Hg) comparten algunas propiedades de ambos grupos, y algunos científicos creen que deben ser incluidos como elementos representativos o elementos de los grupos principales.
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