Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Pick out the isoelectronic structure from the Following:
I.CH3+, II.H3O+, III. NH3, IV. CH3-
1
II, III, IV
2
III and IV
3
I and III
4
More than one of the above
5
None of the above