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  2. Nobelium - Wikipedia

    en.wikipedia.org/wiki/Nobelium

    Work on element 102 also continued in Dubna, and in 1964, ... In the periodic table, nobelium is located to the right of the actinide mendelevium, ...

  3. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] 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 ...

  4. Transuranium element - Wikipedia

    en.wikipedia.org/wiki/Transuranium_element

    So far, essentially all transuranium elements have been discovered at four laboratories: Lawrence Berkeley National Laboratory (LBNL) in the United States (elements 93–101, 106, and joint credit for 103–105), the Joint Institute for Nuclear Research (JINR) in Russia (elements 102 and 114–118, and joint credit for 103–105), the GSI ...

  5. List of chemical element naming controversies - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_element...

    Periodic table forms. 18-column; 32-column; ... there was an element naming controversy as to what (particularly) the elements from 102 to 109 were to be called.

  6. Extended periodic table - Wikipedia

    en.wikipedia.org/wiki/Extended_periodic_table

    This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Periodic table of the elements with eight or more periods Extended periodic table Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium ...

  7. Lawrencium - Wikipedia

    en.wikipedia.org/wiki/Lawrencium

    Albert Ghiorso updating the periodic table in April 1961, writing the symbol "Lw" in as element 103. Codiscoverers Latimer, Sikkeland, and Larsh (left to right) look on. In 1958, scientists at Lawrence Berkeley National Laboratory claimed the discovery of element 102, now called nobelium.

  8. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ... Rho­dium 45 Rh 102.91:

  9. List of elements by atomic properties - Wikipedia

    en.wikipedia.org/wiki/List_of_elements_by_atomic...

    This is a list of chemical elements and their atomic properties, ordered by atomic number (Z).. Since valence electrons are not clearly defined for the d-block and f-block elements, there not being a clear point at which further ionisation becomes unprofitable, a purely formal definition as number of electrons in the outermost shell has been used.