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Explain:(i) Larger the atomic size, more metallic is the element.(ii) Halogens have high electron affinity.(iii) Size of atom changes when it loses or gain electron.(iv) K is more reactive than Li.(v) Electronegativity of Cl is higher than S.(vi) Group 17 elements are non-metals, while group 1 elements are metals.

Answer» Explain:

(i) Larger the atomic size, more metallic is the element.

(ii) Halogens have high electron affinity.

(iii) Size of atom changes when it loses or gain electron.

(iv) K is more reactive than Li.

(v) Electronegativity of Cl is higher than S.

(vi) Group 17 elements are non-metals, while group 1 elements are metals.


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