Iron
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal that is commonly found in the Earth's crust and plays a crucial role in various biological processes.
Physical Properties of Iron:
- Atomic Number: 26
- Atomic Mass: 55.845
- Physical State at Room Temperature: Solid
- Color: Silvery-gray
- Melting Point: 1538°C
- Boiling Point: 2862°C
Chemical Properties of Iron:
- Iron is capable of forming multiple oxidation states, with the most common being +2 and +3.
- It readily reacts with oxygen to form iron oxide, commonly known as rust.
- Iron can also form compounds with carbon, resulting in materials such as steel.
Uses of Iron:
- Iron is a key component of steel, which is widely used in construction, transportation, and manufacturing.
- It is essential for the production of various tools, machinery, and vehicles.
- Iron is also crucial for the functioning of hemoglobin in red blood cells, allowing for the transport of oxygen in the body.
Study Guide:
- What is the atomic number of iron?
- Describe the physical properties of iron.
- Explain the chemical reactivity of iron.
- How is iron used in everyday life?
- Discuss the significance of iron in biological processes.
