| 1. | Such a carbon is designated as a chiral carbon . 这样的碳原子称为手性碳。 |
| 2. | In soot the atoms have no regular arrangement . 在煤烟中,碳原子呈无规则排列。 |
| 3. | Every carbon atom has four bonds . 每个碳原子的价键为四。 |
| 4. | We have made no reference to asymmetric carbon atoms . 我们未曾涉及不对称碳原子。 |
| 5. | Carbon atoms provide the backbone of living matter . 碳原子提供了生活物质的主链。 |
| 6. | Carbon atoms provide the backbone of living matter . 碳原子提供了生命物质的骨架。 |
| 7. | At the end of the series of reactions each carbon atom is recovered . 在反应的最后每个碳原子都可以回收。 |
| 8. | Hydrocarbons are molecules containing only hydrogen and carbon atoms . 碳氢化合物是只含碳原子和氢原子的分子。 |
| 9. | There are several examples of a one-carbon degradation leading to aldehydes . 有一些减少一个碳原子制备醛的实例。 |
| 10. | In the ethyne molecule, a double bond links together the two carbon atoms . 在乙烯分子中是由一个双键将两个碳原子连结在一起的。 |