Sn is Tin. and the suffix for Chlorine is nearly always Chloride. The (II) means the Tin [in a hypothetical situation where the compound was purely ionic] has an oxidation state of 2, or +2, (ie deficient of two electrons). Source: A2 Chemistry Student.
The chariot was built of pieces of wood which had been bent into the required shape possibly by immersing them in boiling hot water for several hours, bending them and then letting them dry. Various kinds of wood were used: elm, ash for the axles and sycamore for the foot board. The Egyptians knew two types of chariots.
It is known from artistic evidence on pottery that the sport existed in the Mycenaean world, but the first literary reference to a chariot race is the one described by Homer, at the funeral games of Patroclus. ... ... A chariot race was also said to be the event that founded the Olympic Games.