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Write Down the Electronic Configuration of the Following Elements from the Given Atomic Numbers. Answer the Following Question with Explanation.13al, 14si, 11na, 12mg, 16s Which of the Above - Science and Technology 1

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

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Solution

13Al, 14Si, 11Na, 12Mg, 16S
Electronic configuration of the following elements is:
3Al = 2,8,3
14Si = 2,8,4
11Na = 2,8,1
12Mg = 2,8,2
16S = 2,8,6
11Na has the highest metallic character because metallic character of an elements decreases as we move from left to right in a modern periodic table. This happens as the tendency of an atom to lose electrons decreases due to gradual increase in the number of protons and nuclear charge.

Concept: Modern Periodic Table and Electronic Configuration of Elements
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APPEARS IN

Balbharati Science and Technology Part 1 10th Standard SSC Maharashtra State Board
Chapter 2 Periodic Classification of Element
Q 4.7 | Page 29
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