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conceptos básicos-tabla periódica

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contiene conceptos de la tabla periódica, bloques, familias, grupos, electrones de valencia, numero atómico, numero de masa, al igual que tipos de configuración electrónica, configuración grafica, configuración terminal y puntual de Lewis.

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January 9, 2025
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CONCEPTOS BASICOS.
NUMERO ATOMICO.

Es el número de protones en el núcleo del átomo de un elemento. En un átomo neutro el
número de protones es igual al número de electrones, de manera que el número atómico
también indica el número de electrones presentes en un átomo.

NUMERO DE MASA.

El número de protones, el número de masa de un átomo definen qué tipo de átomo
es.


A
A


IIIB IVB VB VIB VIIB VIII IB IIB




FAMILIAS.




ELECTRONES DE VALECIA.

Los electrones de valencia son los electrones
en la capa más externa, o nivel de energía, de
un átomo.
CONFIGURACION ELECTRONICA.
CONFIGURACION GRAFICA. N: Nivel.
L: Subnivel.
M: Orbitales.
S: Spin.
N:1 L:0 M:0 S: -1/2



PUNTUAL DE LEWIS.

Número de electrones de valencia de
manera explícita, rodeando el símbolo del
elemento.
$4.46
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