Learn periodic table trends for atomic radius, ionization energy, electronegativity, electron affinity, ionic radius, and metallic character.
Monthly Archives: October 2014
1 October 29 is Baruj Benacerraf’s birthday. Benacerraf was a Venezuelan-born American immunologist who discovered the genes which regulate the body’s immune response ability. Benacerraf spent much of his career studying hypersensitivity. Hypersensitivity is the immune response reactions caused by allergens. These reactions can range to the vaguely uncomfortable all the way to […]
Today In Science History – October 29 – Baruj Benacerraf ...
1 Happy Halloween! Here is a Periodic Table of Halloween wallpaper for your Halloween chemistry needs. 2015 Halloween Periodic Table The 2015 Halloween periodic table looks just like the original version, but it has updated atomic data. The PDF file for the new table is also available. 2014 Halloween Periodic Table Wallpaper This […]
Halloween Periodic Table Wallpaper
October 28 is Jonas Salk’s birthday. Salk was an American physician best known for developing the first effective polio vaccine. Polio, or Infantile Paralysis, was an epidemic during most of the early 20th Century. One victim brought national attention to the disease by being President of the United States. President […]
Today In Science History – October 28 – Jonas Salk ...
October 27 marks the passing of Lise Meitner. Meitner was an Austrian physicist who was part of the group who discovered nuclear fission. Meitner became a physicist in spite of the challenges society put against her. The University of Vienna, who granted her doctorate did not allow women to attend […]
Today In Science History – October 27 – Lise Meitner
On October 26, 1959, people got the first look at the far side of the Moon. The “far side of the Moon” is a reference to the fact from Earth, you can only see about 59% of the Moon’s surface. This is due to the Moon’s rotational speed is matched […]
Today In Science History – October 26 – Far Side ...
October 25 marks the passing of Evangelista Torricelli. Torricelli was the Italian mathematician and physicist who invented the barometer. Torricelli was sent as a young man to study under his uncle, a Camaldolese monk. Once he learned all his uncle could teach, his uncle arranged to have him educated at […]
Today In Science History – October 25 – Evangelista Torricelli ... Recently updated !
October 24 is Antonie van Leeuwenhoek’s birthday. Leeuwenhoek was a Dutch cloth merchant who became known as the Father of Microbiology. At the age of 16, Leeuwenhoek was apprenticed to a cloth merchant when he was introduced to a magnifying glass apparatus used in the business. Once he began his […]
Today In Science History – October 24 – Antonie van ...
1 EDIT: These wallpapers have been updated to correct the atomic weights of iron and gallium. The updated cat periodic table wallpapers can be found at Cat Periodic Table – 2015. This is an updated version of the original Periodic Table Wallpaper with Cats. This version of the periodic table with […]