The element that makes up the iron triad are Iron, Nickle, and copper. Option C is correct.
What is Iron Triad?
- It is a group of 3 elements that has similar chemical and physical properties including Iron, Nickle, and copper.
- They are found in the 4rh period of the periodic table adjacent to each other.
- The elements of the Iron triad are ferromagnetic materials that can be attracted by the magnet.
Therefore, the element that makes up the iron triad are Iron, Nickle, and copper.
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