MCQ
Metallic radii of some transition elements are given below. Which of these elements will have highest density?
| Element | $Fe$ | $Co$ | $Ni$ | $Cu$ |
| Metallic radii/pm | $126$ | $125$ | $125$ | $128$ |
- A$Fe$
- B$Ni$
- C$Co$
- ✓$Cu$