The figure shows a part of the periodic table:If we move horizontally

1.	The figure shows a part of the periodic table:If we move horizontally from left to right(i) How does the metallic character of the elements change?(ii) How does electronegativity change?(iii) How does electron affinity change?
Answer» Explanation: as we go left to right in the periodic table METALLIC character decreases because in a period from left to right positive charge on the nucleus increases by one and atomic radius decreases therefore valence electrons get PULLED towards nucleus with greater force of attraction and tendency to lose electron decreases,therefore metallic character decreases. 2.in a period from left to right electronegativity increases because of great nuclear attraction force .the tendency to accept electrons increases.which is the characteristic of electronegativity. 3.positive charge on electron increases and therefore ATOM can FORM anion by ACCEPTING electrons from outside into its valence shell.

The figure shows a part of the periodic table:If we move horizontally from left to right(i) How does the metallic character of the elements change?(ii) How does electronegativity change?(iii) How does electron affinity change?

Answer»

Explanation:

as we go left to right in the periodic table METALLIC character decreases because in a period from left to right positive charge on the nucleus increases by one and atomic radius decreases therefore valence electrons get PULLED towards nucleus with greater force of attraction and tendency to lose electron decreases,therefore metallic character decreases. 2.in a period from left to right electronegativity increases because of great nuclear attraction force .the tendency to accept electrons increases.which is the characteristic of electronegativity. 3.positive charge on electron increases and therefore ATOM can FORM anion by ACCEPTING electrons from outside into its valence shell.

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The figure shows a part of the periodic table:If we move horizontally from left to right(i) How does the metallic character of the elements change?(ii) How does electronegativity change?(iii) How does electron affinity change?

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