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英文字典中文字典相关资料:


  • Periodic Table of Elements - PubChem
    Interactive periodic table with up-to-date element property data collected from authoritative sources Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
  • Sulfur | S (Element) - PubChem
    Periodic Table Sulfur Sulfur is a chemical element with symbol S and atomic number 16 Classified as a nonmetal, Sulfur is a solid at 25°C (room temperature)
  • Helium | He (Element) - PubChem
    Periodic Table Helium Helium is a chemical element with symbol He and atomic number 2 Classified as a noble gas, Helium is a gas at 25°C (room temperature)
  • Indium | In (Element) - PubChem
    Periodic Table Indium Indium is a chemical element with symbol In and atomic number 49 Classified as a post-transition metal, Indium is a solid at 25°C (room temperature)
  • Xenon | Xe (Element) - PubChem
    Periodic Table Xenon Xenon is a chemical element with symbol Xe and atomic number 54 Classified as a noble gas, Xenon is a gas at 25°C (room temperature)
  • Yttrium | Y (Element) - PubChem
    Periodic Table Yttrium Yttrium is a chemical element with symbol Y and atomic number 39 Classified as a transition metal, Yttrium is a solid at 25°C (room temperature)
  • Aluminum | Al (Element) - PubChem
    Periodic Table Aluminum Aluminum is a chemical element with symbol Al and atomic number 13 Classified as a post-transition metal, Aluminum is a solid at 25°C (room temperature)
  • Atomic Radius | Periodic Table of Elements - PubChem
    Explore how atomic radius changes with atomic number in the periodic table of elements via interactive plots
  • Periodic Table - PubChem
    The PubChem Periodic Table and Element pages help you navigate the abundant chemical element data available within PubChem, while providing a convenient entry point to explore additional information, such as bioactivities, health and safety data, available in PubChem Compound pages for specific elements and their isotopes
  • Calcium | Ca (Element) - PubChem
    Calcium, a metallic element, is fifth in abundance in the earth's crust, of which it forms more than 3% It is an essential constituent of leaves, bones, teeth, and shells





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