Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
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
19 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 general effect of alloying pure metals like iron to form steels?
14
Why are transition metal compounds often good catalysts?
21
Which transition metal series includes the element Hafnium (Hf)?
21
Which state’s Chief Minister has strongly opposed the Centre’s unilateral restructuring of Panja...
(Current Affairs)
10
Which bowler remained at the No. 1 position in the ICC T20I bowling rankings after the Asia Cup 2025...
(Current Affairs)
14