1s electrons are much closer to the nucleus - they screen the valence electrons

Question

1s electrons are much closer to the nucleus - they screen the valence electrons 1s 2s electrons experience greater nuclear attraction than the 2p electrons 0 1 2345 6 78910 Distance from nucleus (A) Figure Comparison of 1s, 2s, and 2p radial probability functions No, it is not possible for an electron in a 2s orbital to be closer to the nucleus than an electron in a ls orbital Yes, it is possible for an electron in a 2s orbital to be closer to the nucleus than an electron in a 1s orbital Submit My Answers Give Up

Explanation / Answer

1s orbital is closer to the nucleus than 2s orbital.

The electrons in 1s orbital are closer to the electrons in 2s orbital.

Therefore, the correct option is

No, it is not possible for an electron in a 2s orbital to be closer to the nucleus than an electron in a 1s orbital.

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