Transition metals (A-level only)

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Question 25
Easy

In which oxide is the named element in its highest oxidation state?

sulfur in SO2\text{SO}_2SO2​

nitrogen in N2O\text{N}_2\text{O}N2​O

calcium in CaO\text{CaO}CaO

chlorine in ClO2\text{ClO}_2ClO2​

Transition metals (A-level only) Questions

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