英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Dmitri Mendeleev - Wikipedia
    Dmitri Ivanovich Mendeleev[b] ( ˌmɛndəlˈeɪəf MEN-dəl-AY-əf; [2][c][a] 8 February [O S 27 January] 1834 – 2 February [O S 20 January] 1907) was a Russian chemist known for formulating the periodic law and creating a version of the periodic table of elements He used the periodic law not only to correct the then-accepted properties of some known elements, such as the valence and
  • List of chemical elements | Periodic Table, Atomic Number, Atomic Mass . . .
    A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes Elements are the fundamental materials of which all matter is composed Here, the elements are ordered alphabetically Each element is followed by its atomic number, the total
  • 13. 1. 1: The Periodic Table - Chemistry LibreTexts
    Downloads expand_more Download Page (PDF) Download Full Book (PDF) Resources expand_more Periodic Table Physics Constants Scientific Calculator Reference expand_more Reference Cite Tools expand_more
  • Periodic Table - Ptable
    Interactive periodic table showing names, electrons, and oxidation states Visualize trends, 3D orbitals, isotopes, and mix compounds Fully descriptive writeups
  • 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!
  • Periodic Table
    Interactive periodic table of the chemical elements; Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more
  • Periodic Table 2025 - Complete, Updated, Online, and 3D Interactive
    Explore the Complete and Updated Periodic Table (2025) An online, interactive and dynamic version with 2D and 3D atoms, atomic models by Dalton, Thomson, Rutherford-Bohr and Schrodinger, isotopic atomic masses, real element images, educational mini-game, and official IUPAC data
  • Periodic Table of Elements (Interactive Table) | Periodic Table Guide
    Your go-to source for everything periodic table: Interactive Table, labeled charts, guides, articles, and more
  • Periodic table - Wikipedia
    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups") An icon of chemistry, the periodic table is widely used in physics and other sciences
  • Periodic Table – Royal Society of Chemistry
    Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information





中文字典-英文字典  2005-2009