Covalent Bonding #3 
Matching Quiz
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2
1
6
4
3
The valency of copper in copper sulfate (CuSO4)
The valency of the hydrogen carbonate radical (HCO3−)
The number of shared electrons in a triple bond
The valency of carbon in methane (CH4)
The valency of aluminium in aluminium oxide (Al2O3)