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cyclopaedia    
n. 百科全书

百科全书

cyclopaedia
n 1: a reference work (often in several volumes) containing
articles on various topics (often arranged in alphabetical
order) dealing with the entire range of human knowledge or
with some particular specialty [synonym: {encyclopedia},
{cyclopedia}, {encyclopaedia}, {cyclopaedia}]


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  • 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 - 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")
  • 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 – Royal Society of Chemistry
    Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information
  • Periodic table | Definition, Elements, Names, Symbols, Groups, Charges . . .
    Periodic table, in chemistry, is an organized array of all the chemical elements in order of increasing atomic number When the elements are thus arranged, there is a recurring pattern in which elements in the same column (group) have similar properties
  • Periodic Table - American Chemical Society
    Most of the elements on Earth and in the periodic table come from somewhere else in the universe Some elements formed soon after the original Big Bang, others were formed in stars, and others in different phases of dying and exploding stars
  • List of chemical elements - Wikipedia
    The definitive visualisation of all 118 elements is the periodic table of the elements, whose history along the principles of the periodic law was one of the founding developments of modern chemistry
  • Periodic Table of Elements - IUPAC | International Union of Pure and . . .
    By virtue of its work in relation with the chemical elements, IUPAC can dispense a periodic table that is up-to-date IUPAC involvement covers various aspects of the table and data that it unveils, and several reports and recommendations, some quite recent, attest of that input
  • Periodic Table - Inorganic Ventures
    Periodic Table An element's name, atomic weight, and oxidation state (s) will appear when you scroll over an element's symbol Oxidation states in blue refer to standards made by Inorganic Ventures Those in italics are most common





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