Slater's rules
斯莱特规则
Explanation (EN)
An empirical set of rules for estimating the screening constant σ, and hence the effective nuclear charge.
Explanation (ZH)
用于估算屏蔽常数 σ(进而求有效核电荷)的一套经验规则。
About the IPA
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It helps linguists, language learners, and educators accurately describe pronunciation across languages.
Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.