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  2. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    For more detailed information about the origins of element names, see List of chemical element name ... 1.823: 317.30: 550: 0.769: 2.19: 1 050: primordial solid 16 S ...

  3. Names for sets of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Names_for_sets_of_chemical...

    Elements in groups 1–2 or 13–18, excluding hydrogen * Transition elements are sometimes referred to as transition metals † Although the heavier elements of groups 15 (Mc), 16 (Lv), 17 (Ts) and 18 (Og) have been notionally assigned to the indicated groups their chemical properties have not yet been experimentally confirmed.

  4. 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.

  5. Template:List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Template:List_of_chemical...

    Element Origin of name [1] [2] Group Period Block Standard atomic weight A r °(E) [a] ... 1.823: 317.30: 550: 0.769: 2.19: 1 050: primordial solid 16 S Sulfur: Latin ...

  6. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Name by element r: lith­ium group ... [32] [30] [23] This reduces the number of element columns from 32 to 18. [30] ... (1+3) = 8 elements

  7. Atomicity (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Atomicity_(chemistry)

    The most common values of atomicity for the first 30 elements in the periodic table are as follows: Atomic Number Element Atomicity 1 Hydrogen (H) 2 2 Helium (He) 1 3

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  9. Category:Chemical elements - Wikipedia

    en.wikipedia.org/wiki/Category:Chemical_elements

    A chemical element is a substance that cannot be divided or changed into different substances ... Arsenic (5 C, 30 P) Astatine (2 C, 3 P) B. Barium (3 C, 8 P ...