Question

What is the oxidation number of an atom in the elemental state?​

Answer 1

$\huge\mathbb {\underline {\purple{ANSWER}}}$

In its pure elemental form, an atom has an oxidation number of zero. The oxidation number of an ion is the same as its charge.The sum of the oxidation numbers in a neutral compound is equal to zero. The sum of oxidation numbers in a polyatomic ion is equal to the charge of the ion.

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