| 释义 |
so·di·um AHD[sōʹdē-əm] D.J.[ˈsəʊdiːəm]K.K.[ˈsodiəm]n.Symbol Na （名词）符号 Na - A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, is naturally abundant in combined forms, especially in common salt, and is used in the production of a wide variety of industrially important compounds. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See table at element 钠：一种软、轻、极有伸展性的银白色金属元素，和水起爆炸反应，化合的形式较丰富，尤其是以普通盐的形式存在，在很多种重要的工业化合产品的生产中得到广泛应用。原子序数11；原子量22.99；熔点97.8°C；沸点892°C；比重0.971；原子价1 参见 element
- sod(a) sod(a)
- -ium -ium
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