compare the following elements as per the characteristics given in the brackets (a) lithium and nitrogen (atomic radii) (b) potassium and chlorine (electronegativity) (c) magnesium and calcium (valency) Give reason for your answer in each case

Question

Harsha Sinha · Accepted Answer

Hi there,

a) Lithium:- because it is a metal and earlier in the period hence .

b) chlorine chlorine is the second most electronegative element after floutrine

C) magnesium it can extend its valency to +3 under required conditions.

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compare the following elements as per the characteristics given in the brackets (a) lithium and nitrogen (atomic radii) (b) potassium and chlorine (electronegativity) (c) magnesium and calcium (valency) Give reason for your answer in each case

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