August 2018 1 38 Report
Anota los numeros de oxidacion de los siguientes elementos, anotando nombre, simbolo y numero para: hidrogeno, oxigeno, litio, sodio, potasio, rubidiocesio, francio, berilio, magnecio, calcio, estroncio, bario, radio, boro, aluminio, galio, indio, talio, trustano, fluor, cloro, bromo, yodo, astato, efelio.

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