The atomic weight is a ratio quite distinct from the weight in grams.

原子量是与以克为单位的重量完全不同的比率.

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Hydrogen is the lightest element with an atomic weight of 1.008.

氢是最轻的元素,原子量为1.008.

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A hydrogen molecule consists of only two hydrogen atoms with the same atomic weight.

氢分子仅由两个原子量相同的氢原子组成.

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Electrons weigh very little, so they aren't even counted in the atomic weight.

电子非常轻, 因此在原子量中甚至没有计算它.

《现代汉英综合大词典》

Atoms of the same element that differ in their atomic weight are called isotopes.

具有不同原子量的同一种元素被称为同位素.

辞典例句

Who knows the atomic weight of the hydrogen atom?

谁知道氢原子的原子量究竟是 多少 ?

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All uranium atoms do not have the same atomic weight.

所有的铀原子并非都有相同的原子量.

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A microscale experiment using simple instrument was applied to the determination of Cu atomic weight.

利用自制的简易气体发生器和洗气装置对铜原子量测定微型实验作了进一步的探索与实践.

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