# Reactions of metals with oxygen

When metals react with oxygen, metal oxides are formed. The speed of the reaction depends on the reactivity of the metal.

Watch this video for a practical demonstration of reacting metals with oyxgen.

Reacting metals with oxygen

This is the general word equation for the reaction:

metal + oxygen → metal oxide

For example, the reaction of zinc and oxygen can be written as:

### Word equation

zinc + oxygen → zinc oxide

### Chemical equation

2 Zn(s) + O2(g) → 2 ZnO(s)

## Summary

The reactions of metals with water, acid and oxygen depend on their position in the reactivity series. This can be summed up in the diagram below.