1.
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子含有两个氢原子和一个氧原子.
2.
an oxide containing five atoms of oxygen in the molecule.
分子中含有五个氧原子的一种氧化物。
3.
An oxide with each molecule containing one oxygen atom.
一氧化物每一分子含有一个氧原子的氧化物
4.
An oxide containing three oxygen atoms per molecule
三氧化物每个分子中含有三个氧原子的氧化物
5.
So there are hydrogen and oxygen atoms in sugar.
所以糖里含有氢原子和氧原子。
6.
The oxygen atom is nearly 16 times as heavy as the hydrogen atom.
氧原子的重量几乎是氢原子的16 倍。
7.
One atom of oxygen is linked to the nitrogen atom by a double bond.
一个氧原子以双键与氮原子相连。
8.
The silicon atom occupies the space opening(interstice)between the oxygen atoms and shares four valence electrons with the four oxygen atoms.
硅原子占据了氧原子之间的空隙并且和四个氧原子共用化合价。
9.
the anion OH having one oxygen and one hydrogen atom.
含一个氧原子和一个氢原子的OH负离子。
10.
The water molecule is made up of two hydrogen atoms and one oxygen atom.
水分子是由两个氢原子和一个氧原子组成。
11.
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water
两个氢原子和一个氧原子结合而成一个水分子。
12.
Owing to resonance stabilization of the conjugate base, anα- hydrogen in an aldehyde is more acidic than a hydrogen atom in an alkane, with a typical pKa of17.
醛基是带有极性的，氧原子是碳氧键中的负偶极，将碳原子的电子扯向氧原子。
13.
A compound with two oxygen atoms per molecule.
二氧化物分子式中含有两个氧原子的化合物
14.
These atoms recombine in pairs during the night to form molecules of oxygen gas.
在夜间，这些氧原子再成对地结合成氧气分子。
15.
Quantum Chemical Study on the Reaction Mechanism of O+NO_2 O_2+NO;
氧原子与二氧化氮反应机理的量子化学研究
16.
In proteins,atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms.
在蛋自质中，氮原子与碳、氢、氧原子相化合。
17.
any of a large class of compounds that have alternate silicon and oxygen atoms.
具有交替的硅原子和氧原子的一大族化合物。
18.
Water is spoken of as containing two atoms of hydrogen and one atom of oxygen.
人们说水含有两个氢原子和一个氧原子。