Atoms of seven elements A, B, C, D, E, F and G have a different number of electronic shells but have the same number of electrons in their outermost shells. The elements A and C combine with chlorine to form an acid and common salt respectively. The oxide of element A is liquid at room temperature and is a neutral substance, while the oxides of the remaining six elements are basic in nature.what is A B C D E F G( name the elements)
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A will be Hydrogen element bcoz A, B, C, D ,E, F and G has same valence electrons.... So this means that the elements belong to the same groups. The element C combines to form NaCl
Elements A to G will be of the same group.....
A is H or Hydrogen and the symbol is H2O....
Element C is Na because it combines to form NaCl....
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