Cu is +1 and +2. Forms two compounds with chlorine; i.e., CuCl and CuCl2 or CuO and Cu2O.
Hg is +2 and +2. HgCl and Hg2Cl2.
PbO and PbO2
FeO and Fe2O3
etc
Name two metals that do not always lose the same number of electrons when they form ionic bonds. How can you tell?
plss help TwT
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