Question

(b) Name three non-metals/group of non-
metals which have valency -1, -2, and -3
respectively​

Answer 1

Answer:

Q.1)Example of non metal are Hydrogen, Helium, Chlorine, Fluorine,Carbon,Nitrogen,Oxygen, Phosphorous, Selenium. Choose what 3 you want

Q.2) ✓Valency 1-Hydrogen

✓Valency 2-Oxygen

✓Valency 3-Nitrogen

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