Daily Archives: October 14, 2014


Today In Science History – October 14 – Friedrich Kohlrausch

October 14 is Friedrich Kohlrausch’s birthday. Kohlrausch was a German physicist who investigated the physical properties of electrolytes. Electrolytes are solutes that break down into ions when dissolved in a solvent like water. One example of an electrolyte is common table salt, NaCl. Salt dissociates into two ions Na+ and Cl– […]

Heinrich Kayser

Black and White Periodic Table With Shells 1

This downloadable black and white periodic table is a useful reference sheet for those in need of the information commonly found on a periodic table. Each cell contains the element’s atomic number, element symbol, element name and atomic mass. The small numbers running along the side represent the number of electrons […]


Printable Periodic Table PDF With Shells 1

This printable periodic table pdf is a little more interesting than your typical black and white table. Each cell is black with white text and contains the element’s atomic number, element symbol, element name, atomic mass. The small numbers running along the side represent the number of electrons in each shell. This downloadable […]


Printable Color Periodic Table Chart 4

EDIT: This table has been updated with minor corrections. The updated version of this table can be found at Printable Color Periodic Table Chart – 2015. This printable periodic table chart is lightly colored to separate the elements by their element groups. Each cell contains the element’s atomic number, element symbol, […]

Color Periodic Table of the Elements

Printable Periodic Table Chart 1

This black and white printable periodic table chart is a simple, no-frills printable table. Each cell contains the element’s atomic number, element symbol, element name and atomic mass. This downloadable PDF version of the table is optimized for printing on a standard 8.5″×11″ sheet of paper. Choose Landscape and Fit for your printing […]