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单词 empirical formula
释义

Definition of empirical formula in English:

empirical formula

noun
Chemistry
  • A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

    Example sentencesExamples
    • Analysis showed it to have an empirical formula that doesn't correspond to any compound that's ever been reported.
    • When the chemical formula of an ionic compound is written down, it is the empirical formula that is used.
    • The empirical formula of a compound is that which is obtained through laboratory research.
    • The simplest version of the formula is the empirical formula.
    • Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.
 
 

Definition of empirical formula in US English:

empirical formula

noun
Chemistry
  • A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

    Compare with molecular formula, structural formula
    Example sentencesExamples
    • The empirical formula of a compound is that which is obtained through laboratory research.
    • Analysis showed it to have an empirical formula that doesn't correspond to any compound that's ever been reported.
    • Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.
    • The simplest version of the formula is the empirical formula.
    • When the chemical formula of an ionic compound is written down, it is the empirical formula that is used.
 
 
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更新时间:2024/12/23 23:20:02