potassium

noun

1. a light soft silver-white metallic element of the alkali metal group
oxidizes rapidly in air and reacts violently with water
is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite

Synonym: Katomic number 19

1. 钾
Potassium is a soft silvery-white chemical element, which occurs mainly in compounds. These compounds are used in making such things as glass, soap, and fertilizers.

1. potassium的解释

1. 钾：第二章 碱金属 锂(Lithium) 钠(Sodium) 钾(Potassium) 铷(Rubidium) 铯(Cesium) 钫(Francium) 注意:1. 并不包括氢(H) 2. 钫为放射性元素 原子半径(nm) 第一节钠 钠可以用刀切开 一、钠的物理性质 a.质地软、有银白色金属光泽 b.密度比水小,比煤油大 c.熔、

2. 钾质：就在下午两点多的时候,我收到了诊疗所医生的电话,他说我必须立刻到诊疗所,因为正式的验血报告还没出炉,我就被告知我体内的钾质(Potassium)再次脱离了正常的水平.

3. 钾离子：以及细胞内外流体中的其他的溶质而改变,例如:你吃了一大袋的咸马铃薯片,或是喝了一大罐的水,胃里面的细胞内衬就会因此而皱缩或膨胀,细胞需要快速的改变它们的离子组成,例如:钾离子(potassium)或氯化物(chloride)浓度等,

4. [化]钾：population density 人口密度 | potassium [化]钾 | precipitate 沉淀物;使沉淀