Chemistry - Atomic Structure Question with Solution | TestHub

$1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^5;$Most electronegative element

$1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^3;$An element belonging to 3 period and 5 group

$1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^{6}3{\mathrm{s}}^{2}3{\mathrm{p}}^{6}3{\mathrm{d}}^{8}4{\mathrm{s}}^2;$A d-block element

$1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^{6}3{\mathrm{s}}^{2}3{\mathrm{p}}^6;$An element from 18 group