The position of four elements A, B, C and D in the periodic table are shown below:
\begin{tabular}{|c|c|c|}
\hline Group 13 & Group 14 & Group 15 \\
\hline A & - & - \\
\hline- & B & - \\
\hline Ga & C & D \\
\hline
\end{tabular}
Select the correct statement/s:
- Which of the following statements are correct?
(i) A, B, C and D are metalloids.
(ii) \( \mathrm{A} \) is a metal while \( \mathrm{B}, \mathrm{C} \), and \( \mathrm{D} \) are non-metals.
(iii) The size of element \( \mathrm{A} \) is smallest among all the four elements.
(iv) \( \mathrm{A} \) is a metal while \( \mathrm{B} \) and \( \mathrm{C} \) are metalloids and \( \mathrm{D} \) is a non-metal.
a. (i) only
b. (i) and (iii)
c. (iii) and (iv)
d. None of these
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