iran-konkur 2023 Q89

iran-konkur · Other · konkur-riazi_1402_tir_specialized Not Maths
89 -- How many of the following statements about elements of the periodic table are correct?
  • If element A is a metalloid, it certainly belongs to the p-block of the periodic table.
  • The atomic number of a nonmetal element is certainly greater than that of its group members.
  • If element Z is a liquid nonmetal, it has no period with high chemical activity.
  • If element X is a metalloid, all elements in the same period and with a smaller atomic number than it have physical properties of metals.

(1) $1$ (2) $2$ (3) $3$ (4) $4$
\textbf{89 --} How many of the following statements about elements of the periodic table are correct?

\begin{itemize}
    \item If element A is a metalloid, it certainly belongs to the p-block of the periodic table.
    \item The atomic number of a nonmetal element is certainly greater than that of its group members.
    \item If element Z is a liquid nonmetal, it has no period with high chemical activity.
    \item If element X is a metalloid, all elements in the same period and with a smaller atomic number than it have physical properties of metals.
\end{itemize}

\begin{center}
(1) $1$ \qquad (2) $2$ \qquad (3) $3$ \qquad (4) $4$
\end{center}