Equivalent

(e-kwiv'a-lent.) [ From L. equivalens, having equal power.] (Chem.) A term expre ing the proportional weight or quantity of any substance which is nece ary to saturate any other with which it can combine. The following is a table of the chemical equivalents or atomic weights of the elementary substances, hydrogen being considered as unity: Name. Symb. Equiv. Sp. Grav. Aluminium. Al 13-67 2-56 Antimony Sb 129-00 6.70 Arsenic As 75-00 5-67 Barium. Ba 68-50 4:70 Bismuth Bi 213-09 9.80 Boron.... B 11.00 2-68 Bromine... Br 80.00 5-411 Cadmium Cd 56.00 8.63 Cæsium Cæ 133-00 Calcium Ca 20-00 1.58 Carbon C 6:00 0.829 Cerium. Ce 46.00 Chlorine... C1 35.50 2-453 Chromium Cr 26-27 5.90 Cobalt Co 29-50 8.53 Copper... Cu 32-00 8-72 Didymium D 68.00 Erbium E Fluorine Fl 19-00 1-327 Glucinum G 6-97 Gold. Au 98-33 19.5 Hydrogen H 1.00 0.0692 Ilmenium 11 Indium.... Iodine... I 127.00 8-7827 Iridium Ir 98-56 18-63 Iron..... Fe 28.00 7.84 Lanthanium La Lead Pb 104.00 11-30 Lithium L 7.00 0-5936 Magnesium Mg 12-00 1.75 Manganese.... Mn 26-00 8.00 Mercury. Hg 100-00 13.50 Molybdenum M 48.00 8.60 Nickel.. Ni 29.50 8.63 Niobium Nb Nitrogen N 14.00 0-9713 Norium No Osmium Os 98-41 10.00 Oxygen 0 8.00 1-1056 Palladium Pd 53-24 11-50 Pelopium Phosphorus P 32-00 4.284 Platinum Pt 99.00 21.50 Pota ium K 39.00 0-865 Rhodium Ro 52-16 11-20 Rubidium Rub Ruthenium Ru 52-11 8.60 Selenium.. Se 40.00 7.696 Silicon Si 21.00 Silver Ag 108.00 10-43 Sodium Na 23-00 0-97 Strontium... Sr 44:00 2.54 Sulphur S 16:00 2-214 Tantalum Ta Tellurium Te 64.08 6.30 Terbium... Tb Thallium TI Thorium Th 59-50 Tin. Sn 59.00 7-29 Titanium Ti 24-12 5-28 Tungsten W 92-00 17.5 Uranium U 60-00 10-15 Vanadium V 63-46 Yttrium Y Zinc...... Zn 32-52 6-91 Zirconium Zr 33-58 [s. 338]