Pure iron is a metal that is soft. When small amounts of tungsten are added, it forms a hard alloy named tungsten steel. Which of the statements are correct? 1 Pure iron is a transition element. 2 The particles in pure iron are arranged in ordered layers. 3 Tungsten steel is a compound.
- A1, 2 and 3
- B1 and 2 only
- C1 only
- D2 and 3 only