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  2. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    The definitive visualisation of all 118 elements is the periodic table of the elements, ... 15.37: 1841: 4300 – 1.5: 1.4 ... 101 Md Mendelevium [di]

  3. Group (periodic table) - Wikipedia

    en.wikipedia.org/wiki/Group_(periodic_table)

    In the periodic table of the elements, each column is a group. In chemistry, a group (also known as a family) [1] is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between groups 2 and 3, are not numbered.

  4. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The periodic table and law are now a central and indispensable part of modern chemistry. The periodic table continues to evolve with the progress of science. In nature, only elements up to atomic number 94 exist; [a] to go further, it was necessary to synthesize new elements in the laboratory.

  5. List of Ericaceae genera - Wikipedia

    en.wikipedia.org/wiki/List_of_Ericaceae_genera

    Bell heather, Erica cinerea, is the type species of the family. This is a list of genera in the plant family Ericaceae , which includes the heaths , heathers , epacrids , and blueberries . As currently circumscribed, the family contains about 4000 species into more than 120 genera classified into 9 subfamilies.

  6. History of the periodic table - Wikipedia

    en.wikipedia.org/wiki/History_of_the_periodic_table

    This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Development of the table of chemical elements The American chemist Glenn T. Seaborg —after whom the element seaborgium is named—standing in front of a periodic table, May 19, 1950 Part of a series on the Periodic table Periodic table forms 18-column 32-column Alternative and extended ...

  7. Blueberry - Wikipedia

    en.wikipedia.org/wiki/Blueberry

    Cultivated highbush blueberries prefer sandy or loam soils, having shallow root systems that benefit from mulch and fertilizer. [5] The leaves of highbush blueberries can be either deciduous or evergreen, ovate to lanceolate, and 1–8 cm (1 ⁄ 2 – 3 + 1 ⁄ 4 in) long and 0.5–3.5 cm (1 ⁄ 4 – 1 + 3 ⁄ 8 in) broad.

  8. Naming of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Naming_of_chemical_elements

    5: Rubid­ium 37 Rb 85.468: Stront­ium 38 Sr 87.62: Yttrium 39 Y 88.906: Zirco­nium 40 Zr 91.224: Nio­bium 41 Nb 92.906: Molyb­denum 42 Mo 95.95: Tech­netium 43 Tc [97] Ruthe­nium 44 Ru 101.07: Rho­dium 45 Rh 102.91: Pallad­ium 46 Pd 106.42: Silver 47 Ag 107.87: Cad­mium 48 Cd 112.41: Indium 49 In 114.82: Tin 50 Sn 118.71: Anti­mony ...

  9. Chemical element - Wikipedia

    en.wikipedia.org/wiki/Chemical_element

    A chemical element is a chemical substance whose atoms all have the same number of protons.The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8, meaning each oxygen atom has 8 protons in its nucleus.