Chemistry WAEC

Which of the following is not correct about oxidation number convention? The oxidation number of a/an

A. element in the free state is zero
B. monatomic ion is equal to its charge
C. alkali meta like sodium in its compounds is + 1
D. atom of a diatomic molecules is + 2

Correct Answer:

Option D – atom of a diatomic molecules is + 2

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