1
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number $f$-electrons in +3 oxidation state of gadolinium $(Z=64)$ is $x$ and in +2 oxidation state of ytterbium $(Z=70)$ is $y$. The sum of $x$ and $y$ is
A
13
B
20
C
18
D
21
TS EAMCET Subjects
EXAM MAP