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  1. ptable.comPeriodic Table - Ptable

    Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

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      Type the CAS number or name of a compound to find all...

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      There are merits to including Lu/Lr or La/Ac inline rather...

  2. sciencenotes.org › what-are-the-naturally-occurring-elements-elements-found-inWhat are the Naturally Occurring Elements? Elements Found In...

    17 maj 2022 · Some of the elements on the periodic table are strictly man-made and do not exist in nature. A few elements exist naturally but are found only in trace amounts. This table shows which elements appear in nature and which are artificially produced.

  3. en.wikipedia.org › wiki › UraniumUranium - Wikipedia

    Uranium is a chemical element; it has symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays, usually by emitting an alpha particle.

  4. pubchem.ncbi.nlm.nih.gov › periodic-tablePeriodic 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!

  5. www.rsc.org › periodic-table › elementUranium - Element information, properties and uses | Periodic...

    Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  6. www.rsc.org › periodic-tablePeriodic Table – Royal Society of Chemistry

    Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

  7. www.rsc.org › periodic-table › elementOxygen - Element information, properties and uses | Periodic...

    Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.