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.
The Parthenon was built to replace a temple that had previously stood on the site but was destroyed by Persian invaders. The primary purpose of the previous temple was to house a large statue of the goddess Athena. Construction on the Parthenon began in 480 B.C. and took about 48 years to complete.