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gram atom

/ɡræm ˈætəm/

翻译: 化学中的历史术语,指某元素的量,其以克为单位的质量等于该元素的原子量。在现代科学用法中已在很大程度上被“摩尔”取代。

1 个条目

phrase

/ɡræm ˈætəm/C1formalscientific已废弃
  • zh化学中的历史术语,指某元素的量,其以克为单位的质量等于该元素的原子量。在现代科学用法中已在很大程度上被“摩尔”取代。

A historical term in chemistry referring to the amount of an element whose mass in grams equals its atomic weight. It has been largely replaced by the term 'mole' in modern scientific usage.

  1. Unit of chemical quantityC2formal

    The amount of an element whose mass in grams is numerically equal to its atomic weight.

    zh化学量的单位

    • One gram atom of carbon has a mass of 12 grams.
    • The chemist measured out one gram atom of oxygen.
    • Gram atoms are used to simplify calculations in stoichiometry.