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 #39631
Back to Home
View All d and f BLOCK ELEMENTS Questions
62 Views
Question
What is the approximate ionic radius of Er²⁺?
A. 86 pm
B. 87 pm
C. 88 pm
D. 89 pm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
For a metal M, if the sum of its ΔaH°, IE1, and IE2 is very high, what is the likely impact on its...
19
Why is oxygen better than fluorine at stabilising high oxidation states like MnVII?
41
What is the primary product when sulphite ion is oxidized by potassium permanganate in acidic soluti...
25