Question

Explain why element lying on the extreme right of the periodic table are strong non- metals, but those lying on the extreme left are strong metals.

Answer 1

Answer:

Explanation:

Metals=They're some of the elements in which easily donate electrons.

Non metals=They're some of the elements which easily accepts electron.

As we go across the periodic table from left to right the effective nuclear charge increases with no increase in the shell number so the total force acting on valence shell increases so it makes the elements to easily accept electron and get stable thus, as we go across the periodic table the non metallic character increases.

Therefore those elements which lies at the left side of the periodic table are strong metals(reason is just the opposite of which I had described above)and those at the right side are strong non metals except the far end noble gases,which have different properties as compared to other elements.

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Answer 2

Answer:

As we go across the periodic table from left to right the effective nuclear charge increases with no increase in the shell number so the total force acting on valence shell increases so it makes the elements to easily accept electron and get stable thus, as we go across the periodic table the non metallic character