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For the electrons of oxygen atom, which ...

For the electrons of oxygen atom, which of the following statement is correct ?

A

`Z_("eff")` for an electron in a `2s` orbital is the same as `Z_("eff")` for an electron in a `2p` orbital.

B

An electron in the `2s` orbital has the same energy as an electron in the `2p` orbital

C

`Z_("eff")` for an electron in `1s` orbital is the same as `Z_("eff")` for an electron in a `2s` orbital.

D

The two electrons present in the 2s orbital have spin quantum numbers `m_s` but of opposite sign.

Text Solution

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The correct Answer is:
D
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