CHEM 1211 Lecture 2: Nomenclature II.docx

• School: Northeastern University
• Department: Chemistry & Chemical Biology
• Course: CHEM 1211
• Professor: Christopher Toher

Document Summary

If given a binary, ionic compound containing both a main group cation and a main group anion: write the cation name as element name, alone, write anion name as element name with suffix ide , these names reference neither, charge of the ions, number of ions in the formula. Di, tri, tetra, is for molecular compounds: watch out for variable cation charges in the main groups, tin can exist as sn 2+, sn 4, lead can exist as pb 2+, pb 4, acbd, cx+d(anion charge = 0, stock system, alfred stock, uses roman numerals to indicate cation charge, classical system, ous for lower charge, ic for higher charge, mg3n2, not a transition metal, so you don"t need a roan numeral, magnesium nitride, srf2, strontium fluoride, cdi2, cadmium iodide, cs2s, cesium sulfide, sno, tin(ii) oxide. [type text: hg2+ o2 , hgo, mercury(i) chloride, hg 2+ cl 1, hg2cl2, this is a polyatomic ion.