1.

Group 13Group 17Using the given part of the periodic table, answer the following questions(i) Compare the electronegativities of A and D.(i) What is the valency of element D?

Answer»

D is more electro negative as we move from left to right along a period the non metallic characters and electro negativity increases

Electronic Configuration of D (2,8,7)Valency of D is 1 (8-7)



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