The valence electrons shield core electrons from the nucleus

Reference no: EM13331225

1. It is larger than the actual nuclear charge acting on an electron. 2.The effective nuclear charge tends to decrease from left to right across any period of the periodic table. 3.Electrons in the 2s orbital feel a greater attraction to the nucleus than the 2p electrons and are therefore lower in energy. 4. Valence electrons shield core electrons from the nucleus, reducing their effective nuclear charge.

Reference no: EM13331225

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