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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− - Science

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−

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Solution

(c) X2−
Element X needs 2 electrons to complete its octet. Therefore, it forms X2− anion.

Concept: Formation and Properties of Ionic Compounds
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Chapter 3: Metals and Non-metals [Page 170]
Q 54
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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 54 | Page 170
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