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The Number of Valence Electrons in a Sulphide Ion, S2–, is : - Science

MCQ

The number of valence electrons in a sulphide ion, S2–, is :

Options

  • 16

  • 10

  • 9

  • 8

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Solution

8
Atomic number of a sulphur atom S is 16. It has 6 electrons in its outermost orbit. After gaining 2 electrons it becomes S2−. So, now the outermost orbit will have 8 electrons.

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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 4 Structure of the Atom
Multiple Choice Questions ( MCQs) | Q 45 | Page 212
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