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Elements of Group 13, 14 and 15 — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryElements of Group 13, 14 and 152 Marks
Question
$i.$ Write the general outer electronic configuration of the elements of group $13,$ group $14$ and group $15.$
$ii.$ By how many electrons do their outer electronic configurations differ from their nearest inert gas?
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Answer

$i.$
Group General outer electronic configuration
$13$ $ns^2 np^1$
$14$ $ns^2 np^2$
$15$ $ns^2 np^3$
$ii.$ The outer electronic configurations of the elements group $13,$ group $14$ and group $15$ differ from their nearest inert gas by $5, 4$ and $3$ electrons, respectively.

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