Aluminum is actually not considered a highly reactive metal in the same sense as highly reactive metals like sodium or potassium. It is classified as a reactive metal, but it forms a protective oxide layer on its surface when exposed to air, which prevents further oxidation. This oxide layer is stable and prevents the metal from reacting with oxygen, water, or other substances.
The formation of this oxide layer is a result of the metal's reaction with oxygen in the atmosphere. This thin layer acts as a barrier, protecting the underlying aluminum from corrosion and making it suitable for various applications, including making utensils.
Additionally, aluminum has several desirable properties that make it a popular choice for utensils. It is lightweight, conducts heat well, and is relatively inexpensive compared to other metals. It is also resistant to corrosion, which means it won't rust like iron or steel utensils.
However, it is important to note that aluminum can react with certain acidic or alkaline substances, which is why it is not recommended to use aluminum utensils for cooking highly acidic foods. To prevent any potential reactions, aluminum utensils are often coated with a non-reactive layer or are anodized, which further enhances their resistance to corrosion and chemical reactions.
Overall, the stable oxide layer and the beneficial properties of aluminum make it a suitable choice for making utensils, as long as it is used appropriately and not exposed to highly reactive or corrosive substances.