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प्रश्न
The atomic number of an element X is 16. The symbol of ion formed by an atom of this element will be:
(a) X2+
(b) X3+
(c) X2−
(d) X−
उत्तर
(c) X2−
Element X needs 2 electrons to complete its octet. Therefore, it forms X2− anion.
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