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  2. Iron - Wikipedia

    en.wikipedia.org/wiki/Iron

    While iron is the most abundant element on Earth, most of this iron is concentrated in the inner and outer cores. [43] [44] The fraction of iron that is in Earth's crust only amounts to about 5% of the overall mass of the crust and is thus only the fourth most abundant element in that layer (after oxygen, silicon, and aluminium). [45]

  3. File:Iron electrolytic and 1cm3 cube.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Iron_electrolytic_and...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  4. These elements already have images but they are not the highest quality. These elements aren't too rare, so it shouldn't be too hard to find other pictures. Google's probably the best bet here but it may also be worth asking one of Wikipedia's element photographers (a certain person comes to mind) to see if they can get a better photo. Barium ...

  5. Wikipedia : WikiProject Elements/Pictures/List of image pages

    en.wikipedia.org/.../Pictures/List_of_image_pages

    3 Elements. 4 Other element pictures. 5 Electron shells diagrams. 6 See also. Toggle the table of contents. Wikipedia: WikiProject Elements/Pictures/List of image pages.

  6. File:The Periodic Table of the Elements in Pictures.pdf

    en.wikipedia.org/wiki/File:The_Periodic_Table_of...

    The table is color-coded to show the chemical groupings. Small symbols pack in additional information: solid/liquid/gas, the color of an element, common in the human body, common in the earth's crust, magnetic metals, noble metals, radioactive, and rare or never found in nature.

  7. Group 8 element - Wikipedia

    en.wikipedia.org/wiki/Iron_family

    In terms of mass, iron is the fourth most common element within the Earth's crust. It is found in many minerals, such as hematite, magnetite, and taconite. Iron is commercially produced by heating these minerals in a blast furnace with coke and calcium carbonate. [2] Ruthenium is a very rare metal in Earth's crust.

  8. Iron group - Wikipedia

    en.wikipedia.org/wiki/Iron_group

    In chemistry, "iron group" used to refer to iron and the next two elements in the periodic table, namely cobalt and nickel.These three comprised the "iron triad". [1] They are the top elements of groups 8, 9, and 10 of the periodic table; or the top row of "group VIII" in the old (pre-1990) IUPAC system, or of "group VIIIB" in the CAS system. [5]

  9. Alkali metal - Wikipedia

    en.wikipedia.org/wiki/Alkali_metal

    The two general trends in the remaining stellar-produced elements are: (1) an alternation of abundance in elements as they have even or odd atomic numbers, and (2) a general decrease in abundance, as elements become heavier. Iron is especially common because it represents the minimum-energy nuclide that can be made by fusion of helium in ...