Antimony

A metal, one of the elements, atomic weight, 122: equivalent, 40.6 and 24.4; valency, 3 and 5; specific gravity, 6.8. It is a conductor of electricity. Relative resistance, compre ed (silver = 1), 23.60 Specific resistance, 35.50 microhms. Resistance of a wire, (a) 1 foot long, weighing 1 grain, 3.418 ohms. (b) 1 foot long, 1/1000 inch thick, 213.6     " (c) 1 meter long, weighing 1 gram, 2.384   " (d) 1 meter long. 1 millimeter thick,    0.4521  " Resistance of a 1-inch cube,   13.98 microhms. Approximate percentage resistance per degree C. (1.8º F. at 20º C. 88º F.)   0.389 per cent. Elcctro-chemical equivalent (hydrogen =.0105) .2560 (See Thermo-Electric Series.)