a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
metallic alkaline element, 1807, coined by English chemist Humphry Davy from soda; so called because the element was isolated from caustic soda (sodium hydroxide). The chemical symbol Na is from natrium, alternative name for the element proposed by Berzelius from natron, a name of a type of soda.
词态变化
权威造句
1. The scientific name for common salt is sodium chloride.
食盐的学名是氯化钠。
来自柯林斯例句
2. Common salt is made up of 40% sodium and 60% chloride.
食盐由40%的钠和60%的氯化物构成。
来自柯林斯例句
3. The fish or seafood is heavily salted with pure sodium chloride.
鱼或海鲜被抹了厚厚的纯盐腌制起来。
来自柯林斯例句
4. Common salt is a compound of sodium and chlorine.
