If the aluminium salt of an anion X is Al2X3 what us the valency of X? What will be the formula of the magnesium salt of X
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The valency of a metal in the formula of ionic salts is written at the subscript of non-metal and vice-versa.So the, valency of X in Al2 X3 is 2. The valency of Magnesium is 2.So the formula of magnesium salt will be MgX
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The valency of X is -2 because in the aluminum salt X is oxygen (Al2O3)
The formula for magnesium salt of X is MgX aka MgO
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