atomic number 基本释义：
原子序数；原子序数数
发音：英 [??θ?-m?n ?n??z-n??]
atomic number 英语范文：
Atomic number is a very important concept in chemistry. It represents the number of protons in an atom's nucleus, which determines its chemical properties. Knowing the atomic number of an element is crucial for understanding its chemical behavior and interactions with other substances.
Atomic number的英语作文音标和基础释义：
原子序数（atomic number）是化学中一个非常重要的概念，它代表了原子核中质子数（protons）的数量，决定了元素的化学性质。了解元素的原子序数对于理解其化学行为和与其他物质的相互作用至关重要。
在英语中，原子序数通常用序数词表示，如第X号元素（element）的原子序数为X。此外，原子序数还可以指代一个原子中的电子层结构，即该原子的电子排布情况。在化学中，原子序数也是用来区分同位素的重要依据。
Atomic Number: The Key to the Atom
Atomic number, a term that may seem abstract at first glance, plays a crucial role in understanding the atom. It is the number assigned to the outermost electron shell of an element, indicating its atomic structure and chemical properties.
When we talk about atomic number, we are referring to the position of an element in the periodic table. Each element has a unique atomic number, which determines its chemical behavior and physical properties. For instance, hydrogen, with an atomic number of 1, is a highly reactive gas that readily forms compounds with other elements. On the other hand, lead, with an atomic number of 82, is a highly stable metal that resists chemical reactions well.
Understanding atomic number can help us better understand the world around us. For instance, it is essential in determining the properties of substances such as water, oxygen, and carbon dioxide. It also helps us understand how elements interact with each other in chemical reactions, which is crucial in the development of new materials and technologies.
In conclusion, atomic number is a fundamental concept that underlies our understanding of the atom. It is essential in determining the chemical and physical properties of elements and substances, and it plays a crucial role in our daily lives. By learning more about atomic number, we can gain a deeper understanding of the world around us and unlock new possibilities for innovation and discovery.
Atomic Number
Atomic number refers to the position of the element in the periodic table. It represents the number of protons in the nucleus of an atom.
In order to understand the properties of an element, it is essential to know its atomic number. For instance, hydrogen has an atomic number of 1, which means that it has one proton in its nucleus. On the other hand, oxygen has an atomic number of 8, indicating that it has eight protons in its nucleus.
The atomic number also determines the number of electrons in an atom, which determines its chemical properties. Elements with the same atomic number may have different chemical properties due to differences in their electron configurations.
In addition, the atomic number is also closely related to the stability of an atom. Elements with higher atomic numbers tend to be more stable, as they have a greater number of electrons in their outer shell, which reduces the likelihood of electron loss or gain.
In summary, the atomic number is an essential concept in chemistry and plays a crucial role in understanding the properties and behavior of elements. It is crucial to keep in mind when studying chemistry and other related disciplines.
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