What is the symbol and valency of tin?

Answer: The sign ‘Sn’ is frequently used to represent the element ‘Tin,’ which has the atomic number 50. (derived from the Latin name for tin: Stannum).

The number of electrons per shell for tin is 2,8,18,18,4 since it has 50 electrons (atomic number 50). Tin’s valency can be represented as 4 since the outermost shell only has 4 electrons. Tin is a post-transition metal that belongs to group 14 of the current periodic table.