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प्रश्न
Justify. Element 'X' forms an oxide with the formula X2O3 which is a solid with a high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as Al.
एका वाक्यात उत्तर
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उत्तर
It has 3 electrons in the outermost shell/valency 3 like that of Al.
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