Which among the given elements belong to the same period?
\begin{tabular}{|l|c|c|c|}
\hline Elem... VIDEO
Which among the given elements belong to the same period?
\begin{tabular}{|l|c|c|c|}
\hline Element & \( \mathrm{X} \) & \( \mathrm{Y} \) & \( \mathrm{Z} \) \\
\hline \( \begin{array}{l}\text { Atomic } \\
\text { number }\end{array} \) & 2 & 10 & 5 \\
\hline
\end{tabular}
a. X, Y
b. Y, Z
c. \( \mathrm{Z}, \mathrm{X} \)
d. \( \mathrm{X}, \mathrm{Y} \) and \( \mathrm{Z} \)
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