Zinc

DEFINITION

A bluish-white, lustrous metallic element that is brittle at room temperature but malleable with heating. Used in galvanizing iron, it is often alloyed in making brass, bronze, various solder, and nickel silver, in manufacturing many products including various household objects. Atomic symbol Zn; atomic number 30; atomic weight 65.37; melting point 419.4? C.; specific gravity 7.133 (25?C); valence 2.