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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.

    • Lesson Plans

      Periodic Table Lesson Plans. With help from the American...

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      Hover over each electron pair for a 3-D view of that orbital...

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      Unlike any other element, helium will remain liquid down to...

  2. www.rsc.org › periodic-table › elementIron - Element information, properties and uses | Periodic Table

    Element Iron (Fe), Group 8, Atomic Number 26, d-block, Mass 55.845. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

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

    Element Lithium (Li), Group 1, Atomic Number 3, s-block, Mass 6.94. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. en.wikipedia.org › wiki › LithiumLithium - Wikipedia

    Lithium (from Ancient Greek λίθος (líthos) 'stone') is a chemical element; it has symbol Li and atomic number 3. It is a soft, silvery-white alkali metal . Under standard conditions , it is the least dense metal and the least dense solid element.

  5. periodictable.chemicalaid.com › element › LiLithium (Li) - Periodic Table

    Lithium is the 3rd element in the periodic table and has a symbol of Li and atomic number of 3. It has an atomic weight of 6.940 and a mass number of 7. Lithium has three protons and four neutrons in its nucleus, and three electrons in two shells. It is located in group one, period two and block s of the periodic table. Socket silvery metal.

  6. 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!

  7. www.thoughtco.com › lithium-facts-li-or-element-3-606554The Chemical and Physical Properties of Lithium, or Li -...

    14 Αυγ 2019 · Lithium Basic Facts . Atomic Number: 3; Symbol: Li; Atomic Weight: [6.938; 6.997] Reference: IUPAC 2009; Discovery: 1817, Arfvedson (Sweden) Electron Configuration: [He]2s 1; Word Origin Greek: lithos, stone; Element Classification: Alkali Metal