Core & Ext. Metals: Extraction
Slide 8 of 45
Ore formation
The formation of the ore zinc oxide from its elements
  
In the beginning ……………….
Zn2+
O2-
 2e-
O
+
O, oxygen gained 2e- and filled its outer shell.
Zn(s)
The zinc, Zn, lost electrons.
 
The oxygen, O, gained electrons.
 
An ionic bond is formed as they are both ions now – not atoms.