Periodic Table - Ptable
网页Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Periodic table - Wikipedia
网页Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3; it is usually shown at the foot of the table to save horizontal space.
Periodic Table of Elements - PubChem
网页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!
List of chemical elements - Wikipedia
网页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. It is a tabular arrangement of the elements by their chemical properties that usually uses abbreviated chemical symbols in place of full element ...
Periodic Table – Royal Society of Chemistry
网页Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.
网页For a fully interactive version with orbitals, isotopes, compounds, and free printouts, visit http://www.ptable.com/.
Periodic table | Definition, Elements, Groups, Charges, Trends,
网页5 天之前 · The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.
Periodic Table of Elements - American Chemical Society
网页Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and …
Periodic Table Of The Elements - ChemicalAid
网页The periodic table of the chemical elements is a tabular method of displaying the chemical elements. Although precursors to this table exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869. Mendeleev intended the table to illustrate recurring ("periodic") trends in the properties of the elements.
Elements: The Periodic Table
网页Elements: The Periodic Table provides comprehensive and useful information about the chemical elements all in one place.