Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Structure of Atom Atomic Structure
For the electrons of oxygen atom, which of the following statements is correct?
1
The two electrons present in the 2s orbital have spin quantum numbers ms but of opposite sign.
2
An electron in the 2s orbital has the same energy as an electron in the 2p orbital.
3
Zeff for an electron in 1s orbital is the same as Zeff for an electron in a 2s orbital.
4
More than one of the above
5
None of the above