Question

If 2=3 what would be the valency of the elements

Answer 1

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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Answer 2

question isn't proper