Tin
Videos
Tin is a chemical element; it has the symbol Sn and atomic number 50. A metallic-gray metal, tin is soft enough to be cut with little force, and a bar of tin can be bent by hand with little effort. Wh
Small balls of white tin (left) and gray tin (right)
Droplet of solidified molten tin
Ceremonial giant bronze dirk of the Plougrescant-Ommerschans type, Plougrescant, France, 1500–1300 BC
Sample of cassiterite, the main ore of tin
Indium
Videos
Indium is a chemical element; its symbol is In and its atomic number is 49. It is a silvery-white post-transition metal and one of the softest elements. Chemically, indium is similar to gallium and th
Indium wetting the glass surface of a test tube
A magnified image of an LCD screen showing RGB pixels. Individual transistors are seen as white dots in the bottom part.
Ductile indium wire