Question

*What is the perioddic trend in the variation of valency while giong from left to right within a period?*

1️⃣ goes increasing upto 1 to 7
2️⃣ goes decreasing from 1 to 7
3️⃣ Increases upto 4 and then goes on decreasing
4️⃣ Remains constant​

Answer 1

Answer:

2) . The second answer is the second answer is absolutely correct. If you do not believe, try once.

Answer 2

myself manraj

ap kon ????

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