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If Z = 3, What Would Be the Valency of the Element? Also, Name the Element. - CBSE Class 9 - Science

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Question

If Z = 3, what would be the valency of the element? Also, name the element.

Solution

By Z = 3, we mean that the atomic number of the element is 3. Its electronic configuration is 2, 1. Hence, the valency of the element is 1 (since the outermost shell has only one electron).

Therefore, the element with Z = 3 is lithium.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 9 (2018 to Current)
Chapter 4: Structure of the Atom
Q: 12 | Page no. 55

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Solution If Z = 3, What Would Be the Valency of the Element? Also, Name the Element. Concept: Valency.
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