oxygen number

简明释义

氧价

英英释义

例句

1.The oxygen number of this compound indicates its oxidation state.

该化合物的氧化数指示其氧化态。

2.A higher oxygen number often correlates with greater stability in certain compounds.

较高的氧化数通常与某些化合物的更大稳定性相关。

3.To balance the equation, we need to calculate the oxygen number for each element involved.

为了平衡方程，我们需要计算每个元素的氧化数。

4.In organic chemistry, knowing the oxygen number can help determine the reactivity of a molecule.

在有机化学中，了解氧化数可以帮助确定分子的反应性。

5.The oxygen number is crucial for understanding redox reactions.

了解氧化数对于理解氧还原反应至关重要。

作文

The concept of oxygen number is crucial in understanding the behavior of various chemical compounds, especially in organic chemistry. The oxygen number refers to the oxidation state of oxygen in a compound, which can significantly influence the compound's reactivity and properties. In simpler terms, the oxygen number helps chemists determine how many electrons an oxygen atom has gained or lost when it forms a bond with other elements.To illustrate this point, let's consider water (H2O) as an example. In water, the oxygen number of oxygen is -2. This means that the oxygen atom has gained two electrons compared to its neutral state. This oxidation state is critical because it explains why water is such a polar molecule, leading to its unique properties like high surface tension and solvent capabilities.Moreover, the oxygen number also plays a pivotal role in redox reactions, where the transfer of electrons occurs between substances. For instance, in the reaction of hydrogen and oxygen to form water, the oxygen number changes as oxygen is reduced from its elemental state (0) to -2 in water. Understanding these changes is essential for predicting the outcomes of chemical reactions and for designing new experiments in the lab.In biological systems, the oxygen number is equally important. For example, in cellular respiration, the oxidation of glucose involves the transfer of electrons to oxygen. Here, the oxygen number of oxygen decreases as it gains electrons to form water, illustrating the fundamental principles of energy transfer in living organisms. This process is vital for the production of ATP, the energy currency of the cell, highlighting how integral the oxygen number is to life itself.Furthermore, the oxygen number can also affect the acidity or basicity of a solution. Compounds with a higher oxygen number tend to be more acidic, as they can donate protons (H+) more readily. For example, in the case of carboxylic acids, the presence of multiple oxygen atoms contributes to their acidic properties. Understanding the oxygen number allows chemists to predict the behavior of these compounds in various environments, which is crucial for applications in pharmaceuticals and environmental science.In conclusion, the oxygen number is a fundamental concept that permeates many aspects of chemistry and biology. From determining the properties of water to understanding metabolic processes in living organisms, the oxygen number provides insights that are essential for both theoretical and practical applications. As we continue to explore the complexities of chemical interactions, the significance of the oxygen number will undoubtedly remain a key area of focus for scientists and researchers alike.

“氧化数”这一概念对于理解各种化合物的行为至关重要，尤其是在有机化学中。“氧化数”指的是氧在化合物中的氧化态，这会显著影响化合物的反应性和性质。简单来说，“氧化数”帮助化学家确定氧原子在与其他元素形成键时获得或失去了多少电子。为了说明这一点，让我们以水（H2O）为例。在水中，氧的“氧化数”为-2。这意味着氧原子相较于其中性状态获得了两个电子。这一氧化态至关重要，因为它解释了为什么水是一种极性分子，从而导致其独特的性质，如高表面张力和溶剂能力。此外，“氧化数”在氧化还原反应中也起着关键作用，在这些反应中，物质之间发生电子转移。例如，在氢气和氧气反应生成水的过程中，“氧化数”发生变化，氧从其元素状态（0）还原到水中的-2。理解这些变化对于预测化学反应的结果以及设计新的实验至关重要。在生物系统中，“氧化数”同样重要。例如，在细胞呼吸中，葡萄糖的氧化涉及电子向氧的转移。在这里，氧的“氧化数”降低，因为它获得电子形成水，这说明了能量转移在生物体内的基本原理。这个过程对ATP的产生至关重要，ATP是细胞的能量货币，突显了“氧化数”对生命本身的重要性。此外，“氧化数”还可以影响溶液的酸碱性。具有较高“氧化数”的化合物往往更酸，因为它们能够更容易地释放质子（H+）。例如，在羧酸的情况下，多氧原子的存在使其酸性特性得以增强。理解“氧化数”使化学家能够预测这些化合物在不同环境中的行为，这对于制药和环境科学等应用至关重要。总之，“氧化数”是一个基本概念，渗透到化学和生物学的许多方面。从确定水的性质到理解生物体内的代谢过程，“氧化数”提供了对于理论和实际应用至关重要的见解。随着我们继续探索化学相互作用的复杂性，“氧化数”的重要性无疑将继续成为科学家和研究人员关注的关键领域。