| 词汇 | example_english_oxygen-atom |
| 释义 | oxygen atomcollocation in Englishmeanings of oxygenand atomThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with oxygen or atom. oxygen noun[U] uk /ˈɒk.sɪ.dʒən/ us /ˈɑːk.sɪ.dʒən/ a chemical element that is a gas with no smell or colour. Oxygen forms a large part of the air on earth, and is needed by animals and plants ... See more at oxygen atom noun[C] uk /ˈæt.əm/ us /ˈæt̬.əm/ the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form ... See more at atom Examples of oxygen atomThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. A thiosemicarbazide is an analog with a sulfur atom in place of the oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Halo-uranates are compounds in which one oxygenatom is replaced by two halogen atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, bases donating a lone pair from an oxygenatom are harder than bases donating through a nitrogen atom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The manganese atom transfers an oxygenatom from chlorine bleach or similar oxidant. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this compound the oxygenatom is coordinated to aluminium chloride. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This attracts the electrons in the more complex anions towards one of its constituent oxygen atoms, forming an oxide ion and an oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reaction mechanism is by carbon tetroxide reacting with an oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the former, it has been suggested that the carbon atom attaches coordinatively to an oxygenatom from the substrate through its free bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When the electronegative atom is in the axial position, its electron density can be donated through space to the positively-charged oxygenatom in the ring. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ion has a formal positive charge, which is placed on the oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This would concern a nuclear reaction of two nitrogen atoms forming a carbon and an oxygenatom, with release of energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its name indicates that it is a deoxy sugar, meaning that it is derived from the sugar ribose by loss of an oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The -protons of carbonyl groups are acidic because the negative charge in the enolate can be partially distributed in the oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A furanose ring structure consists of four carbon and one oxygenatom with the anomeric carbon to the right of the oxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The locant is the number of the carbon atom to which the oxygenatom is bonded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Consequently, mesomerism occurs, dislocating the negative charge between the alpha-carbon and the oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the mole-fraction abundance of oxygen atoms in water is only 33% because only 1 atom of 3 in water is an oxygenatom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alkyl group undergoes 1,2 migration from the silicon to the oxygenatom to give an electron deficient silicon center. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A carbonyl group can be reduced to the alcohol or the oxygenatom can be removed altogether, a process called deoxygenation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Epoxides are ethers in which the oxygenatom is part of a ring of three atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of oxygen Go to the definition of atom See other collocations with oxygen See other collocations with atom |
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