alkali

alkali的英语例句

1. 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.

2. The valence atom of an alkali - metal atom has two states.

   碱金属原子的价原子具有两种能态.

3. Such detergents do not yellow the wool as alkali tends to do.

   这种洗涤剂不会象碱那样使羊毛发黄.