Zinc

A metal; one of the elements; atomic weight, 65.1; specific gravity, 6.8 to 7.2. microhms. Resistance at 0° C. (32° F.), per centimeter cube, 5.626 Resistance at 0° C. (32° F.), per inch cube,         2.215 Relative resistance (silver = 1), 3.741 ohms. Resistance of a wire, 1 foot long, weighing 1 grain,  .5766   (a) 1 foot long, 1 millimeter diameter, 33.85   (b) 1 meter long, weighing 1 gram, .4023   (c) 1 meter long, 1 millimeter diameter, .07163 Zinc is principally used in electrical work as the positive plate in voltaic batteries.