iran-konkur 2013 Q202

iran-konkur · Other · konkur-riazi_1392 Not Maths
202- An electron with quantum numbers $n = 4,\ l = 3,\ m_l = -2,\ m_s = -\dfrac{1}{2}$, exists in which element's atom?
  1. [(1)] Period 5 halogen
  2. [(2)] Period 4 transition metal
  3. [(3)] Period 6 noble gas
  4. [(4)] First element of lanthanides
\textbf{202-} An electron with quantum numbers $n = 4,\ l = 3,\ m_l = -2,\ m_s = -\dfrac{1}{2}$, exists in which element's atom?

\begin{enumerate}
\item[(1)] Period 5 halogen
\item[(2)] Period 4 transition metal
\item[(3)] Period 6 noble gas
\item[(4)] First element of lanthanides
\end{enumerate}