periodic

  1. C

    Periodic Trends

    Okay guys, I'm looking at periodic trends. Why does tungsten have a higher boiling/melting point than say Sodium? Why does Potassium have a large atomic radii compared to Bromine and finally, why does Fluorine have a higher electronegativity than Caesium?
  2. N

    periodic trend-ionization

    im having trouble understanding the ionization part of the periodic trend. in the given problem im asked to arrange the following in order of increasing first ionization energy F, Al, P, Mg i arranged them as Mg, Al, P, and F ofcourse it turned out to be wrong. what is it that im missing? i...
  3. S

    Dynamic Periodic Table

    This is most certainly the best reference to use. Bookmark it! http://www.ptable.com/ PNG VERSION: http://ptable.com/Images/periodic%20table.png PDF VERSION: http://ptable.com/Other/Periodic%20Table.pdf