chemical symbol

简明释义

化学符号

英英释义

A chemical symbol is a one- or two-letter notation used to represent a chemical element.

化学符号是用于表示化学元素的一个或两个字母的符号。

例句

1.In the periodic table, each element has a unique chemical symbol 化学符号.

在周期表中,每个元素都有一个独特的化学符号

2.The chemical symbol 化学符号 for sodium is Na.

钠的化学符号是Na。

3.When studying chemistry, it's essential to memorize the chemical symbols 化学符号 of common elements.

学习化学时,记住常见元素的化学符号是至关重要的。

4.The chemical symbol 化学符号 for gold is Au.

黄金的化学符号是Au。

5.The chemical symbol 化学符号 for water is H2O.

水的化学符号是H2O。

作文

The study of chemistry is fascinating, as it provides insights into the building blocks of matter. One of the fundamental aspects of chemistry is the use of symbols to represent elements and compounds. Among these symbols, the term chemical symbol refers to a one- or two-letter notation used to signify a particular chemical element. For instance, the chemical symbol for hydrogen is 'H', while oxygen is represented by 'O'. These symbols are not arbitrary; they are derived from the Latin names of the elements, which adds a historical dimension to their usage. Understanding chemical symbols is crucial for anyone studying chemistry, as they are the shorthand that chemists use to communicate complex ideas succinctly. In a periodic table, each element is listed with its chemical symbol, atomic number, and atomic mass, providing a wealth of information at a glance. This compact representation allows chemists to quickly identify elements and their properties without needing to write out their full names.Moreover, chemical symbols play an essential role in chemical equations. When substances react, they are represented using their chemical symbols. For example, the reaction between hydrogen and oxygen to form water can be written as 2H + O → H2O. Here, 'H' and 'O' are the chemical symbols that represent hydrogen and oxygen, respectively, while 'H2O' is the chemical symbol for water. This notation simplifies the representation of reactions and helps in understanding stoichiometry, which is vital for calculating the amounts of reactants and products involved in a chemical reaction.In addition to their practical applications, chemical symbols also reflect the nature of the elements they represent. For instance, noble gases like helium (He) and neon (Ne) have unique chemical symbols that indicate their distinct properties, such as being inert and non-reactive under standard conditions. Similarly, transition metals often have chemical symbols that are less intuitive, reflecting their complex histories and the languages from which their names were derived.Learning chemical symbols is often one of the first steps in a chemistry course. Students are usually encouraged to memorize the symbols of the most common elements, as this knowledge serves as a foundation for more advanced topics. Flashcards, quizzes, and interactive games are popular methods for reinforcing this knowledge. As students become proficient in recognizing chemical symbols, they gain confidence in tackling more complex chemical concepts.In conclusion, chemical symbols are an integral part of the language of chemistry. They allow scientists to convey information efficiently and effectively, enabling collaboration and communication across the global scientific community. Understanding chemical symbols not only enhances one’s grasp of chemistry but also opens doors to exploring the intricate relationships between different elements and compounds. As we delve deeper into the world of chemistry, the importance of mastering chemical symbols cannot be overstated, as they are the keys to unlocking a deeper understanding of the material universe around us.

化学的研究是迷人的,因为它提供了对物质构成要素的深入了解。化学的一个基本方面是使用符号来表示元素和化合物。在这些符号中,术语chemical symbol指的是用于表示特定化学元素的一或两个字母的符号。例如,氢的chemical symbol是'H',而氧的chemical symbol则用'O'表示。这些符号并不是任意的;它们源自元素的拉丁名称,这为它们的使用增添了历史维度。理解chemical symbols对于任何学习化学的人来说都是至关重要的,因为它们是化学家用来简洁地传达复杂思想的速记。在周期表中,每个元素都列有其chemical symbol、原子序数和原子质量,一目了然地提供了丰富的信息。这种紧凑的表示法使化学家能够快速识别元素及其属性,而无需写出完整名称。此外,chemical symbols在化学方程式中也发挥着重要作用。当物质发生反应时,它们通过其chemical symbols表示。例如,氢和氧反应生成水可以写作2H + O → H2O。在这里,'H'和'O'是分别代表氢和氧的chemical symbols,而'H2O'是水的chemical symbol。这种符号简化了反应的表示,并有助于理解化学计量学,这对于计算化学反应中涉及的反应物和产品的数量至关重要。除了它们的实际应用外,chemical symbols还反映了它们所代表元素的性质。例如,氦(He)和氖(Ne)等惰性气体具有独特的chemical symbols,表明它们在标准条件下惰性和不反应的特性。同样,过渡金属通常具有不太直观的chemical symbols,反映了它们复杂的历史以及其名称所源自的语言。学习chemical symbols通常是化学课程的第一步。学生通常被鼓励记住最常见元素的符号,因为这一知识为更高级的主题奠定了基础。闪卡、测验和互动游戏是强化这一知识的流行方法。随着学生在识别chemical symbols方面变得熟练,他们在处理更复杂的化学概念时也会更加自信。总之,chemical symbols是化学语言中不可或缺的一部分。它们允许科学家高效有效地传达信息,从而促进全球科学界的合作与交流。理解chemical symbols不仅提升了人们对化学的掌握,也为探索不同元素和化合物之间的复杂关系打开了大门。随着我们深入了解化学世界,掌握chemical symbols的重要性不容小觑,因为它们是开启对我们周围物质宇宙更深刻理解的钥匙。

相关单词

symbol

symbol详解:怎么读、什么意思、用法