iran-konkur 2021 Q204

iran-konkur · Other · konkur-riazi_1400_specialized Not Maths
204-- Which of the following statements about the element just before Krypton ($_{36}$Kr) in the fourth period of the periodic table is correct?
  • A) Element $_{37}$A is in the same group in the periodic table.
  • B) Its atomic radius is larger than the atomic radius of element X.
  • C) Its nonmetallic character is less than element M.
  • D) Its physical state in the same period has a different physical state.
  • E) The number of electrons with quantum number $l = 1$ equals its group number in the periodic table.

(1) A, T(2) B, P(3) A, B, T(4) P, T, Th

\textbf{204--} Which of the following statements about the element just before Krypton ($_{36}$Kr) in the fourth period of the periodic table is correct?

\begin{itemize}
\item A) Element $_{37}$A is in the same group in the periodic table.
\item B) Its atomic radius is larger than the atomic radius of element X.
\item C) Its nonmetallic character is less than element M.
\item D) Its physical state in the same period has a different physical state.
\item E) The number of electrons with quantum number $l = 1$ equals its group number in the periodic table.
\end{itemize}

\begin{tabular}{llll}
(1) A, T & (2) B, P & (3) A, B, T & (4) P, T, Th
\end{tabular}

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