Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
d and f BLOCK ELEMENTS
Question #39667
Back to Home
View All d and f BLOCK ELEMENTS Questions
35 Views
Question
What is the electronic configuration of the Er³⁺ ion?
A. 4f¹⁰
B. 4f¹¹
C. 4f¹²
D. 4f¹³
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the electronic configuration of the Fe3+ ion?
40
Which transition element has the electronic configuration [Ar] 3d⁵ 4s²?
23
What type of elements are the actinoids?
29