iran-konkur 2013 Q203

iran-konkur · Other · konkur-riazi_1392 Not Maths
203- In which atom do two half-filled orbitals exist?
  1. [(1)] $_{32}\text{Ni},\ _{78}\text{Se}$
  2. [(2)] $_{32}\text{Ge},\ _{26}\text{Fe}$
  3. [(3)] $_{37}\text{Rb},\ _{14}\text{Si}$
  4. [(4)] $_{36}\text{Kr},\ _{20}\text{Ca}$
\textbf{203-} In which atom do two half-filled orbitals exist?

\begin{enumerate}
\item[(1)] $_{32}\text{Ni},\ _{78}\text{Se}$
\item[(2)] $_{32}\text{Ge},\ _{26}\text{Fe}$
\item[(3)] $_{37}\text{Rb},\ _{14}\text{Si}$
\item[(4)] $_{36}\text{Kr},\ _{20}\text{Ca}$
\end{enumerate}