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  2. File:Periodic table (18-col, enwiki), black and white.png

    en.wikipedia.org/wiki/File:Periodic_table_(18...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.

  4. Silicon - Wikipedia

    en.wikipedia.org/wiki/Silicon

    Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium are below it. It is relatively unreactive.

  5. Wikipedia : WikiProject Elements/Pictures

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    There are techinically a few pictures of francium floating around, 2 of which are on the element's article (the 300,000 atom heat one and the 200,000 atom light one), and 2 here (the black and white one of 1000 atoms, and the discovery paper). However, none of these depict the atom directly, they are just images of the heat and light emitted by ...

  6. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3 ; it is usually shown at the foot of the table to save horizontal space.

  7. File:Simple Periodic Table Chart-blocks.svg - Wikipedia

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

    Chemical symbol; Chemistry; Column groups and row groups; Glossary of chemistry terms; Group (periodic table) List of chemical element name etymologies; Main-group element; Period (periodic table) Table of nuclides (segmented, narrow) Table of nuclides (segmented, wide) The Elements (song) Talk:Period (periodic table) User:Aenon94; User:Albert ...

  8. Chemical symbol - Wikipedia

    en.wikipedia.org/wiki/Chemical_symbol

    Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols, normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.

  9. Template:Periodic table (with pictures) - Wikipedia

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

    FA: current Featured Picture used in the infobox: A: current infobox picture is of high quality (could become FP) B: current infobox picture is of good quality