The term "iron group" can refer to different concepts depending on the context. Here are two common interpretations: 1. **In terms of chemistry**: The "iron group" often refers to the group of transition metals in the periodic table that includes iron (Fe), cobalt (Co), and nickel (Ni). These metals share similar properties, such as the ability to form various oxidation states, and are often used in alloy production, catalysis, and other industrial applications.
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