According to the modern periodic table, chalcogens\ I) have outer configuration of $n s^{2} n p^{4}

Question

According to the modern periodic table, chalcogens\ I) have outer configuration of $n s^{2} n p^{4}$\ II) are ore forming compound\ III) consist of metals, non-metals and metalloids\ IV) are $p$-block elements with half filled electronic configuration.\

Professor PC Thomas Classes · Answer

(c): Chalcogen are ore forming compounds with outer electronic configuration of $n s^{2} n p^{4}$. They consists of metals, non-metals and metalloids.