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
11 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 predicted density of Eka-silicon according to Mendeleev?
8
What type of bonding is primarily responsible for the high tensile strength observed in most transit...
4
What is a major industrial use of potassium dichromate (K2Cr2O7)?
12
Which company secured approval to acquire Jaiprakash Associates (JAL) for ₹14,535 crore?
(Current Affairs)
8
What percentage of adult Indians face unintended pregnancies according to the UNFPA 2025 report?
(Current Affairs)
188