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प्रश्न
If Z = 3, what would be the valency of the element? Also, name the element.
लघु उत्तरीय
उत्तर
- 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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