iran-konkur 2014 Q201

iran-konkur · Other · konkur-riazi_1393 Not Maths
201- Which option is incorrect?
  1. [(1)] In the ionization energy diagram of element $_{19}$K, three large jumps are observed.
  2. [(2)] Linear emission spectra of elements played a role in the discovery of rubidium and cesium elements.
  3. [(3)] The first ionization energy of elements $_{5}$B, $_{4}$Be, and $_{6}$C increases in the order $B < Be < C$.
  4. [(4)] In the emission spectrum of hydrogen, red light has the greatest deviation from the initial path when passing through a prism.
\textbf{201-} Which option is \textbf{incorrect}?

\begin{enumerate}
\item[(1)] In the ionization energy diagram of element $_{19}$K, three large jumps are observed.
\item[(2)] Linear emission spectra of elements played a role in the discovery of rubidium and cesium elements.
\item[(3)] The first ionization energy of elements $_{5}$B, $_{4}$Be, and $_{6}$C increases in the order $B < Be < C$.
\item[(4)] In the emission spectrum of hydrogen, red light has the greatest deviation from the initial path when passing through a prism.
\end{enumerate}