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Elements and Compounds01:27

Elements and Compounds

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
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Periodic Classification of the Elements04:00

Periodic Classification of the Elements

58.7K
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
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Classification of Elements and Compounds02:54

Classification of Elements and Compounds

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
72.8K
Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

24.0K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
24.0K
Elements: Chemical Symbols and Isotopes02:31

Elements: Chemical Symbols and Isotopes

125.2K
A chemical symbol is an abbreviation used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. The same symbol is used to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain).
Some symbols are derived from the common English name of the element; others are abbreviations of the name in another language — Latin, Greek or German. For example, the symbol for aluminum (common name)...
125.2K
The Periodic Table and Organismal Elements00:57

The Periodic Table and Organismal Elements

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Overview
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相关实验视频

Updated: Jan 21, 2026

Fabrication and Characterization of Superconducting Resonators
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元素的超导性元素的超导性

Takahiro Matsuoka1, Takahiro Ishikawa2, Katsuya Shimizu3

  • 1National Institute of Physics, University of the Philippines Diliman College of Science, 75 C.P. Garcia. Ave. Diliman, Quezon City, NCR, 1101, PHILIPPINES.

Journal of physics. Condensed matter : an Institute of Physics journal
|January 19, 2026
PubMed
概括
此摘要是机器生成的。

超导性研究的近期进展已经确定了新的超导元素,并增加了过渡温度. 在能源景观上探索新的温度-压力路径为发现超导相提供了新的方向.

关键词:
晶体结构 晶体结构这些元素是元素元素.高压的高压的高压.超导性是一种超导性.

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科学领域:

  • 凝聚物质物理学 凝聚物质物理学
  • 材料科学 材料科学 材料科学

背景情况:

  • 元素是理解超导性的基础.
  • 在过去的十年中,实验和理论研究取得了显著进展.

研究的目的:

  • 审查元素超导性质的当前状态.
  • 突出获得的知识,以提高超导过渡温度.

主要方法:

  • 对元素超导体的实验和理论研究进行分析.
  • 扩大压力范围的探索.
  • 对能源景观上的温度-压力路径的检查.

主要成果:

  • 在超导元素清单中增加了 (Rb) 和 (Yb).
  • 由于扩大压力勘探,报告的最高超导过渡温度大幅增加.
  • 确定了寻找超导相的新方向.

结论:

  • 元素超导体对于推进超导研究至关重要.
  • 新的探索策略,比如分析不同温度压力条件下的能源景观,是发现新的超导相和更高的过渡温度的关键.