Tips and Tricks on Metals & Non Metals


 


1
The main source of metals is the earth's crust. Aluminium, followed by iron, is the most abundant metal in the earth's crust. Metals are also present in the seas and oceans.



2
Unreactive metals, such as gold (Au), silver (Ag) and platinum (Pt), which are not affected by air and water, occur in the free or uncombined state in nature.



   3


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