Metals mostly occur as compounds in rocks and minerals and must be extracted before they can be used. The method used to extract the pure metal depends on its position in the reactivity series. Metals ...

There are 118 elements known at present. There are similarities as well as differences are the properties of these elements on the basis of their, all the element can be divided three types: Metal; ...

We’re surrounded by metals like iron, silver, copper, gold and magnesium. Most metals go through a chemical reaction when they are combined with other substances, but some metals react more easily ...