rubidium
rubidium漢語翻譯
【化】 銣Rb
【醫(yī)】 銣(37號元素)
rubidium詞型變化
rubidium英語解釋
名詞 rubidium:
- a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite同義詞:Rb, atomic number 37
rubidium詳細解釋
ru.bid.i.um
n.Symbol Rb (名詞)符號 Rb A soft silvery-white metallic element of the alkali group that ignites spontaneously in air and reacts violently with water, used in photocells and in the manufacture of vacuum tubes. Atomic number 37; atomic weight 85.47; melting point 38.89=C; boiling point '88=C; specific gravity (solid) .532; valence , 2, 3, 4.See table at element 銣:一種銀白色的軟的堿性金屬元素,與空氣接觸會立即燃燒,與水反應劇烈,用于光電池和制造真空管。原子序數(shù)37;原子量85.47;熔點38.89=C;沸點'88=C;比重(固體).532;化合價,2,3,4參見 element
來源:From Latin rubidus [red] * see reudh- 源自 拉丁語 rubidus [紅色的] *參見 reudh-