The outermost electronic configuration of p-block elements varies from ${\mathrm{ns}}^2{\mathrm{np}}^1\text{ to }$

p-block elements belong to group-13 to 18 and these together with s-block elements are called the representative elements or main group elements. The outermost electronic configuration varies from ${\mathrm{ns}}^2{\mathrm{np}}^1 \mathrm{to} {\mathrm{ns}}^2{\mathrm{np}}^6$ in each period.