NEW YORK – They exist for only seconds at most in real life, but they’ve gained immortality in chemistry: Two new elements have been added to the periodic table. The elements were recognized by an ...
I'm blogging about the periodic table this month in conjunction with my new book, The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World From the Periodic Table of ...
Since element 99 -- einsteinium -- was discovered in 1952 from the debris of the first hydrogen bomb, scientists have performed very few experiments with it because it is so hard to create and is ...
Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...