Question

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2. (A) Give scientific reasons. (Attempt any 2)
Metallic character goes on decreasing while going from left to right in a period.
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Answer 1

Answer:

Metal has the ability to lose an electron. When an electron is added then the size of atom goes decreasing due to nuclear pull which ultimately makes metals difficult to lose electrons. Hence metallic character decreases while going from left to right in a period.

Explanation:

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Answer 2

becauss of presence of free electrons in there outer most shell increases and the efficiency to donate electron decreases