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Write down the electronic configuration ...

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
`._(13)Ai, ._(14)Si, ._(11)Na, ._(12)Mg, ._(16)S`
Which of the above elements has the highest metallic character?

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The element with the highest metallic character is `._(11)Na` as metallic character decreases moving across a period from left to the right.
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TARGET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -Answer the following
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  3. The noble gas with the smallest atomic radius.

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  9. What is the difference between electronegativity and electropositivi...

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  10. Consider the elements of period 2 in the modern periodic table. Answer...

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  11. Consider the elements of period 2 in the modern periodic table. Answer...

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