Q. 12 A4.5( 2 Votes )

Comprehension giv

Answer :

Electronic configuration of element with atomic number 57 is given by

[Xe]5d16s2. This element is La.

The last electron of this element with atomic number 57 enters the d subshell so it is a d block element.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses