உட A COMPACT AND COMPREHENSIVE SERIES OF REACTIONS AND TABLES IN CHEMISTRY. HF, HCI ::, By ROBERT SAXON, B.Sc., F.C.S. 4 HC:: HBr, HI:::, NH,F::, NHẠC::, 2 NH Br::, NHI::, N,H,HBr :, The remaining elements show that horizontal relationship (taken in threes) with small differences of atomic weight in each of the three groups, as is shown by the members of the rare earth metals. The first three Fe, Co, and Ni, are members of the stratum beginning with vanadium, but ruthenium finds a break between itself and molybdenum, as does osmium and tungsten. Still they all seem to branch off to the right of the table from refractory seam and are themselves of like nature. They all evince the same preference for the halogens to oxygen as we proceed to the right, as though the way through them swung round through some unknown region towards the copper or alkaline group, or found rest from chemical association in the self complacent fields of helium and its shades. |