AFMC SERIES Chemistry
Group 17 Elements
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
1994 Chapter Questions 1 MCQs
01
PYQ 1994
medium
chemistry ID: afmc-199
Which one of the following elements can have both positive and negative oxidation state ?
1
F
2
I
3
Li
4
He