07. THE P-BLOCK ELEMENTS (HM)
Explanation:
$\begin{gathered}
\underbrace {{N_2}{O_3}\,\,\,\,\,\,\,{P_2}{O_3}\,\,\,\,\,\,\,A{s_2}{O_3}}_{Acidic\,\,\,\,\,\,\,Oxides}\,\,\,\,\,\,\underbrace {S{b_2}{O_3}}_{Amphoteric}\,\,\,\,\,\,\underbrace {B{i_2}{O_3}}_{Basic} \hfill \\
\overrightarrow {Acidic\,character\,decreases\,down\,the\,group} \hfill \\
\end{gathered} $