Core &
Ext. Metals: Extraction
Slide 10 of 45
Native Metals
These metals are all at the bottom end of the reactivity series.
Gold and platinum (sometimes silver) as they are found native, they do not need to be extracted from their ore.
That is why gold and silver were one of the first metals to be discovered.
The higher
up in the reactivity series a metal is, the harder it
is to extract that metal from its ore.
Panning for gold