Multiple Choice Question Answer XVIII — task. Science CBSE, Class 10.

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1. The correct order of relative stability of half filled and completely filled sub-shell is

\(d^5\) < \(p^3\) < \(d^1{^0}\) < \(p^6\)
\(d^5\) > \(p^3\) < \(d^1{^0}\) < \(p^6\)
\(p^3\) > \(d^1{^0}\) < \(d^5\) < \(p^6\)
\(p^3\) > \(d^5\) < \(d^1{^0}\) < \(p^6\)

2. Which of the following order of radii is correct

\(Li\) < \(Be\) < \(Mg\)
\(O\) < \(Fe\) < \(Ne\)
\(H^+\), \(Li^+\), \(H^-\)
\(Na^+\), \(F^-\), \(O^-{^2}\)

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