Chemistry · Atomic Structure
For the electrons in an oxygen atom, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Principal quantum number n for a 2p electron is 1.
- 2Zeff for a 1s electron is equal to Zeff for a 2s electron.
- 3The two electrons in the 2s orbital have spin quantum numbers (ms) of opposite sign.✓
- 4Effective nuclear charge (Zeff) for a 2s electron is equal to that of a 2p electron.
Correct answer
The two electrons in the 2s orbital have spin quantum numbers (ms) of opposite sign.
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