常見例句Who knows the atomic weight of the hydrogen atom? 誰知道氫原子的原子量究竟是多少?Molecular weight is expressed in the same unit as atomic weight. 分子的重量和原子的重量用相同的單位表示。Mol anlar weight is express in the same unit as atomic weight. 分子的重量和原子的重量用相同的單位表示。Hydrogen is the lightest element with an atomic weight of 1.008. 氫是最輕的元素,原子量爲(wèi)1.;008。(介詞省譯)An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014. 氘氫的一種同位素,在其原子核內(nèi)有一個質(zhì)子和一個中子,其原子重量爲(wèi)2。014Electrons weigh very little, so they aren't even counted in the atomic weight. 電子非常輕,因此在原子量中甚至沒有計算它。 返回 atomic-weight