Question

What happen when metal react with oxygen

Answer 1

Answer:

In short, when metals react with oxygen, the metal atoms tend to lose electrons to the oxygen atoms, changing their oxidation state and characteristically their colour. This is why rust is red, copper can be green or blue and why transition metals can provide us with bright and colourful solutions.

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Answer 2

Answer:

When metals react with oxygen, specifically an oxygen atom, the process of oxidation takes place, hence it's name. ... In short, when metals react with oxygen, the metal atoms tend to lose electrons to the oxygen atoms, changing their oxidation state and characteristically their colour.

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