英语词汇“rubidium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

rubidium

/rʊˈbɪdɪəm

noun [mass noun]

The chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb) Those that produce a measurable spectrum when subjected to flame include, but are not limited to, lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium, zinc, and cadmium....

These elements - lithium, sodium, potassium, rubidium, cesium and francium - all react with water to give solutions that change the color of a vegetable dye from red to blue.
Elements such as rubidium, zirconium, and aluminum are mostly incorporated into human biochemistry as a consequence of their association with essential elements present in the human diet.

Origin

Mid 19th century: modern Latin, from Latin rubidus 'red' (with reference to its spectral lines).

单词	rubidium
释义	rubidium /rʊˈbɪdɪəm / noun [mass noun] The chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb) Those that produce a measurable spectrum when subjected to flame include, but are not limited to, lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium, zinc, and cadmium.... These elements - lithium, sodium, potassium, rubidium, cesium and francium - all react with water to give solutions that change the color of a vegetable dye from red to blue. Elements such as rubidium, zirconium, and aluminum are mostly incorporated into human biochemistry as a consequence of their association with essential elements present in the human diet. Origin Mid 19th century: modern Latin, from Latin rubidus 'red' (with reference to its spectral lines). Rhymes cryptosporidium, cymbidium, idiom, iridium
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rubidium

Origin

Rhymes