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"). It is an icon of chemistry and is widely used in physics and other sciences.
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 – Royal Society of Chemistry
Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.
元素周期表 - Ptable
对没有稳定同位素的元素，其同位素中半衰期最长的重量以括号标示。 交互式的周期表在动态的布局里展现名字,电子,曲线,轨道,同位素,搜索.全面的描述.
元素週期表 - Ptable
對沒有穩定同位素的元素，其同位素中半衰期最長的重量在括號中標示。 交互式的周期表在动态的布局里展现名字,电子,曲线,轨道,同位素,搜索.全面的描述.
Periodic Table of Elements - IUPAC | International Union of Pure …
View the latest release of the Periodic Table (dated 8 Jan 2016) includes the recently added elements 113, 115, 117, and 118 with their temporary names and symbols
Periodic table | Definition, Elements, Groups, Charges, Trends,
2024年11月10日 · periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus. When the chemical elements are thus arranged, there is a recurring pattern called the “periodic law” in their properties, in which elements in the same column (group ...
Periodic Table - 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 of the Elements | NIST
2009年7月30日 · The periodic table contains NIST’s latest critically evaluated data for atomic properties of the elements. The PDF is suitable for high-resolution color printing for desk or wall-chart display. Access the Table: PDF without crop marks | PDF with crop marks
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