मराठी

Number of valence electrons in Cl− ion are ______. - Science

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प्रश्न

Number of valence electrons in Cl ion are ______.

पर्याय

  • 16

  • 8

  • 17

  • 18

MCQ
रिकाम्या जागा भरा

उत्तर

Number of valence electrons in Cl ion are 8.

Explanation:

Electronic configuration of Cl (Z = 17)

= 2, 8, 7.

Thus, it has 7 valence electrons.

CI gains 1 electron to form CI- ion.

So, the number of valence electrons = 7 + 1 = 8.

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पाठ 4: Structure of the Atom - Exercises [पृष्ठ ५५]

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एनसीईआरटी Science [English] Class 9
पाठ 4 Structure of the Atom
Exercises | Q 17 | पृष्ठ ५५
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