Home > Organic Chemistry > Electronegativity and Shielding

How do you find shielding effect?

Answer 1

See below.

The electron shielding effect is described by the tendency of outer electrons to feel less of the attractive force of the protons in the nucleus due to the repelling of the other inner shell electrons, as seen in the diagram.

Since electrons have negative charges, and two of the same charge repel, this explains why inner electrons repel outer shell electrons. As a result of this "repelling" or "repulsion," outer electrons feel less of an effect of the positive charge of the nucleus (opposites attract, but similars repel). This interaction is explained by the shielding effect.

I hope that helps!

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Answer 2

Lucy Alessi

The shielding effect can be found using Slater's rules. Calculate the effective nuclear charge (Zeff) by subtracting the shielding constant (σ) from the actual nuclear charge (Z). The shielding constant for each electron in an atom is determined by considering the electron's energy level and the number of electrons between it and the nucleus.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.