hydrogen atoms

hydrogen atoms 基本解释

[物]氢原子

hydrogen atoms 用法和例句

1、to collide alkali metal atoms with hydrogen atoms

使碱金属原子与氢原子相撞

2、Containing two replaceable hydrogen atoms.

二元的含有两个可取代的氢原子的

3、A methyl with hydroxide replacing the hydrogen atoms.

氢原子被羟化物替换的甲基。

4、How many hydrogen atoms are present in 16 grams of methane ?

十六克甲烷中有多少氢原子?

5、An acid containing two replaceable hydrogen atoms per molecule.

每个分子含有两个可置换的氢原子的酸。

6、A salt derived by replacing two hydrogen atoms per molecule.

每个分子替换两个氢原子而形成的一种盐。

7、A helium atom weighs less than the four original hydrogen atoms.

一个氦原子的重量不到四个原始氢原子。

8、The simplest covalently bonded molecule is formed from two hydrogen atoms.

最简单得共价键分子由两个氢原子组成。

9、Acids produce positively charged hydrogen atoms when dissolved in water.

酸在水中溶解时可生成带正电荷的氢原子。

10、The carbon atoms form the framework, and the hydrogen atoms attach to them.

碳原子形成化合物的骨架，氢原子附着在骨架上。

重点词汇

hydrogen n. 氢 [化] 氢H-2

atoms n. 原子（atom的复数）