1.

Which of the following pairs has almostsame colours ?

Answer»

`""_(60)ND^(3+)* ""_(69)Tm^(3+)`
`""_(70)YB^(3+), ""_(59)Pr^(3+)`
`""_(63)Eu^(2+), ""_(67)Tb^(3+)`
`""_(64)GD^(3+), ""_(67)Ho^(3+)`

Solution :`Eu^(3+) and tb^(3+)` have the same COLOUR.


Discussion

No Comment Found

Related InterviewSolutions