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单词 正电性
释义 〔nitride〕A compound containing nitrogen with another more electropositive element, such as phosphorus or a metal.氮化物:一种含有氮和另外一种更具正电性元素的化合物,如磷或金属的化合物〔cesium〕A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds. Atomic number 55; atomic weight 132.905; melting point 28.5°C; boiling point 690°C; specific gravity 1.87; valence 1. See table at element 铯:一种质地柔软的银白色韧性金属,室温时为液体,为最具正电性与碱性的元素,用作光电池和某些有机化合物氢化作用的催化剂。原子序数55;原子量132.905;熔点28.5°C;沸点°C;比重1.87;化合价1 参见 element
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