Monthly Archives: October 2014


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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 […]

Black and White Periodic Table With Shells


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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 Periodic Table PDF With Shells


Color Periodic Table of the Elements 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, […]

Printable Color Periodic Table Chart



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 […]

Printable Periodic Table Chart


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EDIT: This table contains minor errors for the atomic weights of iron and gallium. An updated and corrected version of this table can be found at Free Printable Periodic Table Chart – 2015. This free printable periodic table chart is interesting and a little different. Each cell is black with […]

Free Printable Periodic Table Chart






Ascanio Sobrero
October 12 is Ascanio Sobrero’s birthday. Sobrero was the Italian chemist who discovered nitroglycerin. Sobrero was a student under Théophile-Jules Pelouze. Pelouze’s laboratory specialized in studying nitrocellulose and guncotton. Sobrero synthesized a compound he called pyroglycerin by adding nitric and sulfuric acid to glycerin. Pyroglycerin was an oily, heavy and […]

Today In Science History – October 12 – Ascanio Sobrero ...