P-block elements can be metals, metalloids, or nonmetals whiles S-block elements are all metals. P-block elements can be either gases or solids while S-block are all solids. and each P-block elements displays a greater range of properties.
There is no specific element with the symbol SCN on the periodic table. SCN commonly refers to the thiocyanate ion (SCN-) which is a polyatomic ion. It is a combination of sulfur (S), carbon (C), and nitrogen (N), commonly found in compounds.
The fiftieth element is tin. It is represented by the chemical symbol Sn.
Carbon is a pblock element. It shows -4 to +4 oxidation numbers.