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Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
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Periodic Table Lesson Plans. With help from the American...
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Looking at the numbers in the atomic weight area, we can see...
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It's supposed to be atomic mass, not weight. Atomic weight...
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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!
The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements without standard atomic weights, the mass number of the most stable known isotope is used instead.
30 Ιουλ 2009 · 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.
5 ημέρες πριν · 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.
Atomic Number Symbol Name Ground-state Configuration Ground State Ionization Energy (eV) †Based upon 12C. indicates the mass number of the longest-lived isotope. St an dr Atomic Weight † (u) 29 Cu Copper 63.546 7.7264 11 Na Sodium 22.990 5.1391 12 Mg Magnesium 24.305 7.6462 13 Al Aluminum 26.982 5.9858 14 Si Silicon 28.085 8.1517 15 P ...
Periodic Table. The Royal Society of Chemistry's interactive periodic table features history, alchemy, podcasts, videos, and data trends across the periodic table. Click the tabs at the top to explore each section.
