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
32 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
Based on E°(M3+/M2+) values, which is a stronger reducing agent, Cr2+ or Fe2+?
21
What is a common use of Lanthanoid elements or their compounds?
26
What is the main consequence of the similar ionization enthalpies in transition elements?
22