Q15Multiple choice
For the electrons of oxygen atom, which of the following statements is correct?
- (i)Zeff for an electron in a 2s orbital is the same as Zeff for an electron in a 2p orbital.
- (ii)An electron in the 2s orbital has the same energy as an electron in the 2p orbital.
- (iii)Zeff for an electron in 1s orbital is the same as Zeff for an electron in a 2s orbital.
- (iv)The two electrons present in the 2s orbital have spin quantum numbers ms but of opposite sign.
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(iv) The two electrons present in the 2s orbital have spin quantum numbers ms but of opposite sign.