Shielding effect

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Notion

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Science and technology

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What Wikipedia says

In chemistry, the shielding effect, sometimes referred to as atomic shielding, screening effect, or electron shielding, describes the phenomenon where inner-core electrons repel outer electrons, reducing the net attraction exerted by the nucleus.

Excerpt from the Wikipedia article “Shielding effect”, under the CC BY-SA 4.0 license. Read the article on Wikipedia