Tin is a Chemical element its symbol is Sn. Its location on the periodic table of elements is period 5 group 14. Its atomic number is 50 and the atomic weight is 118.71. It has 50 protons, 50 electrons, and 69 neutrons. Tin is a solid, ductile, malleable, silvery-white metal. Tin melts at a low temperature of about 232 °C (450 °F). Tin resists corrosion from water, but can be attacked by acids. Around 5000 years ago, humans first began mining and incorporating tin with copper to create bronze thus marking the beginning of the Bronze Age. Around 3,000 B.C. Joseph of Arimathea, the person who is said to have donated his tomb to Jesus Christ, was said to be a tin merchant. About 253,000 tonnes of tin have been mined in 2011, mostly in China
