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 #39600
Back to Home
View All d and f BLOCK ELEMENTS Questions
27 Views
Question
What is the electronic configuration of Erbium (Er) for its Ln³⁺ ion?
A. 4f¹⁰
B. 4f¹¹
C. 4f¹²
D. 4f¹³
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which of the following is NOT a first-row (3d series) transition element?
22
According to the text, what is a key characteristic of the bonding in transition metals that differe...
7
What is the primary driving force for the decomposition of KMnO₄ upon heating?
21