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.
Chariots were very light so they could go as fast as possible, and were probably made of wicker and leather; it would have been like driving a basket on wheels!3. Most chariots were pulled by ungelded stallions; two for a biga (2-horse chariot) and four for a quadriga (4-horse chariot)4.