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单词 structural formula
释义

Definition of structural formula in English:

structural formula

noun
Chemistry
  • A formula which shows the arrangement of atoms in the molecule of a compound.

    〔化〕结构式

    Example sentencesExamples
    • Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.
    • To provide the full molecular formula, the structural formula must also be considered.
    • Like the molecular formula, the structural formula of a substance gives the exact number of atoms of each element per molecule.
    • At its most basic the structural formula is the chemical formula showing the bonds that are present.
    • Two years later he ascertained its structural formula.

Definition of structural formula in US English:

structural formula

nounˈstrək(t)SH(ə)rəl ˈfôrmyələ
Chemistry
  • A formula which shows the arrangement of atoms in the molecule of a compound.

    〔化〕结构式

    Compare with empirical formula, molecular formula
    Example sentencesExamples
    • To provide the full molecular formula, the structural formula must also be considered.
    • Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.
    • Two years later he ascertained its structural formula.
    • Like the molecular formula, the structural formula of a substance gives the exact number of atoms of each element per molecule.
    • At its most basic the structural formula is the chemical formula showing the bonds that are present.
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更新时间:2025/1/30 21:53:03