Question

Define valency and complete the following table​

Answer 1

Name. Atomic no Electronic co. Valency

1. 1. 1. 1

2Neon. 10. 2,8. 8 (it is stable)

3. 17. 2,8,7. 1

4. 5. 2,3. 3

5. 6. 2,4. 4

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Answer 2

Explanation:

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