Question
Chemistry Question on d -and f -Block Elements
In which of the following elements number of d-electrons is zero in 6d-orbital?
A
Th
B
Cm
C
Lr
D
Am
Answer
Am
Explanation
Solution
Th : [Rn] 6d 7s Cm : [Rn] 5f 6d 7s Lr : [Rn] 5f 6d 7s Am : [Rn] 5f 7s