InterviewSolution
Saved Bookmarks
| 1. |
41.The pair of element with almost same atomic radii 1.Na ,K 2.Be,Mg 3.Na,Mg 4.Fe,Co |
| Answer» 41.The pair of element with almost same atomic radii 1.Na ,K 2.Be,Mg 3.Na,Mg 4.Fe,Co | |