chemical element

简明释义

化学元素

英英释义

例句

1.Gold is a precious chemical element 化学元素 used in jewelry and electronics.

黄金是一种用于珠宝和电子产品的珍贵化学元素。

2.The periodic table organizes all known chemical elements 化学元素 based on their atomic number.

周期表根据原子序数组织了所有已知的化学元素。

3.Sodium is a highly reactive chemical element 化学元素 that must be stored carefully.

钠是一种高度反应性的化学元素，必须小心储存。

4.The chemical element 化学元素 carbon is essential for life on Earth.

碳这一化学元素对地球上的生命至关重要。

5.Oxygen is a vital chemical element 化学元素 for human survival.

氧气是人类生存所需的重要化学元素。

作文

A chemical element is a fundamental substance that cannot be broken down into simpler substances by chemical means. Each chemical element is defined by its atomic number, which is the number of protons found in the nucleus of its atoms. The periodic table organizes all known chemical elements based on their atomic number, electron configurations, and recurring chemical properties. There are currently 118 recognized chemical elements, each with unique characteristics and applications in various fields such as chemistry, biology, and materials science.Understanding chemical elements is crucial because they are the building blocks of matter. Everything around us, from the air we breathe to the water we drink, is made up of chemical elements. For instance, hydrogen and oxygen are two chemical elements that combine to form water (H2O), a vital resource for all living organisms. Similarly, carbon is a key chemical element that forms the backbone of organic chemistry, which studies the structure, properties, and reactions of carbon-containing compounds.The study of chemical elements also leads to advancements in technology and medicine. For example, the discovery of new chemical elements can lead to the development of new materials with enhanced properties. Graphene, a single layer of carbon atoms arranged in a two-dimensional lattice, is an example of a material derived from a chemical element that has remarkable strength and conductivity, opening new avenues for electronics and nanotechnology.Moreover, understanding the interactions between different chemical elements allows scientists to create new compounds that have significant implications in pharmaceuticals. Many drugs are designed by manipulating chemical elements to produce compounds that can effectively target diseases. For instance, the element phosphorus is essential in the formation of DNA and RNA, which are crucial for genetic information transfer in living organisms.In addition to their practical applications, chemical elements also play a vital role in our understanding of the universe. The study of astrophysics often involves analyzing the composition of stars and galaxies, which are primarily made up of various chemical elements. Elements like helium and hydrogen were formed during the Big Bang, while heavier elements were created in the cores of stars through nuclear fusion processes. This knowledge helps us understand the origins of the universe and the processes that govern it.In conclusion, chemical elements are essential components of the natural world and human society. Their unique properties and interactions form the basis of chemistry and influence many aspects of our lives. By studying chemical elements, we not only gain insights into the material world but also unlock potential innovations that can improve our quality of life and enhance our understanding of the universe. Whether in the realm of science, technology, or everyday life, chemical elements remain a fundamental aspect of our existence, deserving of our attention and study.

化学元素是基本物质，不能通过化学方法分解为更简单的物质。每个化学元素由其原子序数定义，即其原子核中质子的数量。周期表根据原子序数、电子配置和重复的化学性质组织所有已知的化学元素。目前已确认有118种化学元素，每种元素都有独特的特性和在化学、生物学和材料科学等各个领域的应用。理解化学元素至关重要，因为它们是物质的构建块。我们周围的一切，从我们呼吸的空气到我们饮用的水，都是由化学元素组成的。例如，氢和氧是两种化学元素，它们结合形成水（H2O），这是所有生物体的重要资源。类似地，碳是一种关键的化学元素，构成了有机化学的基础，有机化学研究含碳化合物的结构、性质和反应。对化学元素的研究还推动了技术和医学的进步。例如，发现新化学元素可以导致具有增强特性的材料的发展。石墨烯是一种由单层碳原子排列成二维晶格的材料，是一种源自化学元素的材料，具有显著的强度和导电性，为电子学和纳米技术开辟了新的途径。此外，理解不同化学元素之间的相互作用使科学家能够创造出具有重大意义的化合物。在制药领域，许多药物的设计是通过操纵化学元素来产生能够有效靶向疾病的化合物。例如，磷元素在DNA和RNA的形成中至关重要，这对于遗传信息的转移至关重要。除了实际应用，化学元素在我们理解宇宙方面也发挥着重要作用。天体物理学的研究通常涉及分析恒星和星系的组成，它们主要由各种化学元素组成。氦和氢等元素是在大爆炸期间形成的，而较重的元素则是在恒星的核心通过核聚变过程生成的。这些知识帮助我们理解宇宙的起源以及支配宇宙的过程。总之，化学元素是自然界和人类社会的重要组成部分。它们独特的属性和相互作用构成了化学的基础，并影响着我们生活的许多方面。通过研究化学元素，我们不仅获得了对物质世界的深入了解，还解锁了改善生活质量和增强对宇宙理解的潜在创新。无论是在科学、技术还是日常生活中，化学元素始终是我们存在的基本方面，值得我们关注和研究。