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Metals and non-metals differ in physical and chemical properties. Give
one reaction each of metal and non-metal with O2 and Ho with
examples and equations.
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When a metal reacts with oxygen, a metal oxide forms. The general equation for this reaction is: metal + oxygen → metal oxide. Rust is a form of iron oxide and it forms slowly when iron is exposed to air. Iron can be transformed to steel (an alloy), which is more resistant to rust.
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