Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Chemical Bonding and Molecular Structure Molecular Orbital Theory
According to molecular orbital theory, the species among the following that does not exist is :
1
\(\rm O_2^{2-}\)
2
\(\rm He_2^{2-}\)
3
Be2
4
More than one of the above
5
None of the above