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 #39767
Back to Home
View All d and f BLOCK ELEMENTS Questions
30 Views
Question
What is the ground state electronic configuration of Erbium (Er, Z=68)?
A. [Xe] 4f¹¹ 6s²
B. [Xe] 4f¹² 6s²
C. [Xe] 4f¹³ 6s²
D. [Xe] 4f¹² 5d¹ 6s¹
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the coefficient of Fe^2+ in the balanced ionic equation for the reaction between dichromate ...
15
Which of the following best summarizes the electronic configuration of the most stable ion formed by...
15
According to the text, what is the general trend for the melting points of transition metals within ...
17