Occurence of metals

Metals occur in nature in the form of free as well as combined state. A few metals occur in native form or free state because they have a little or no affinity for natural substances like air, water, carbon dioxide etc.. Their native ores are usually found with lot of earthy materials like rocks, clay, sand etc. Sometimes the lumps

Introduction

Elements are broadly classified into metals , non metals and inhert gases on the basis of their physical and chemical properties, If we survey the presently known 116 elements, more than 80 of them are metals. Elements of s-block, d-block and f-block present in the periodic table are mostly metals. We have also a few metals in the p-block elements. Here we deal with the occurrence, extraction, properties ans uses of a few metals.