All the alkali metals have a single s - electron outside a closed shell.

所有的碱金属都在闭合壳层之外有一单个S电子.

辞典例句

The free alkali metals react immediately with water to liberate hydrogen.

游离的碱金属直接和水中作用,放出氢气.

辞典例句

All the alkali metals have a singles - electron outside a closed shell.

换句话说,整个能级谱恰好就像是上下颠倒的碱金属能级谱一样.

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The hydroxides of the alkali metals are strongly alkaline.

碱性金属的氢氧化物有很强的碱性.

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Francium is the densest of the Alkali Metals and also radioactive.

钫是碱金属中密度最大的,具有放射性.

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Potassium: Chemical element , one of the alkali metals, chemical symbol K, atomic number 19.

钾: 一种碱金属化学元素, 化学符号k, 原子序数19.

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Alkali metals ( Li, Na, K and Cs ) 12 - tungstophosphates were prepared and characterized byand XRD techniques.

以 鸽 磷酸为原料制备了锂 、 钠 、 钾、铯的鸽磷酸碱金属盐.

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