Today, the development of main nations, corresponding to China and India, and technological advances, are fuelling ever extra demand. The result’s that mining activities are increasing, and more and more of the world’s metal shares are above ground in use, rather than below ground as unused reserves.
They have a strong affinity for oxygen and principally exist as comparatively low density silicate minerals. Chalcophile metals are mainly the less reactive d-block elements, and the period four–6 p-block metals. Being denser than the lithophiles, hence sinking lower into the crust at the time of its solidification, the chalcophiles tend to be much less ample than the lithophiles. Painting, anodizing or plating metals are good ways to stop their corrosion. However, a extra reactive metal within the electrochemical sequence have to be chosen for coating, especially when chipping of the coating is predicted.
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