How does reactivity relate to the tendency to oxidize?

Reactivity is directly related to the tendency to oxidise; the more reactive a substance, the more likely it is to oxidise.

Reactivity refers to the tendency of a substance to undergo a chemical reaction, either by itself or with other materials, often releasing energy in the process. Oxidation, on the other hand, is a specific type of chemical reaction where a substance loses electrons. This process is often associated with the reaction of a substance with oxygen, hence the term 'oxidise'. However, it's important to note that oxidation can occur even without the presence of oxygen.

The reactivity of a substance is determined by its electron configuration, or the arrangement of electrons in its atoms. Elements that have incomplete outer electron shells are generally more reactive because they tend to lose, gain, or share electrons to achieve a stable electron configuration. This is where the link between reactivity and the tendency to oxidise comes in. When a substance is highly reactive, it's more likely to lose electrons and undergo oxidation.

For example, metals are known for their high reactivity. They tend to lose electrons easily, making them good reducing agents. This is why metals often oxidise, forming positive ions and oxides. On the other hand, non-metals, which are less reactive, tend to gain electrons and act as oxidising agents.

In summary, the reactivity of a substance is a key factor in its tendency to oxidise. The more reactive a substance is, the more likely it is to lose electrons and undergo oxidation. Understanding this relationship is crucial in predicting the outcomes of chemical reactions and in various applications in chemistry.