Metallic Bond
After finishing this lecture you will be able to: Define metallic bond Identify elements of periodic table that possess metallic bonds Learn the required conditions for the formation of metallic…
Heavy Metal Pollution: Chromium
After studying this lecture, you will be able to: Know the importance of Cr(III) and which oxidation of Cr between +3 and +6 is more toxic. Discuss the sources of…
Minamata: Causes and Treatment
Introduction The extreme toxicity of Mercury (Hg), those suspected some centuries back, was fully appreciated in the year 1953, when 52% person living in the fishing village along Minamata Bay,…