Question

what is valancy of Na+​

Answer 1

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➡️ Of electrons in outer shell are called valence electrons and same is the valency. Here no. of electrons in outer orbital is 1 so the valency of sodium is 1. If you are talking about the sodium ion, which is represented by Na+, then it has a valency of +1, having lost an electron.

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Answer 2

Answer:

the valency of sodium is +1