Marie Curie had an extraordinary life, but as Glenda Cooper finds out in this new biography by Dava Sobel, Curie also led the ...

NATIONAL WHOLE HOG BARBECUE DAY | NATIONAL SEAFOOD BISQUE DAY | NATIONAL KENTUCKY DAY | NATIONAL LGBT CENTER AWARENESS DAY NATIONAL SWEETEST DAY National Sweetest Day is observed on the third Saturday ...

It is plausible that this opening to all aspects of chemistry and to the world led him to chose Europe over France or Paris (at that time, neither francium nor lutetium were known). Europium metal ...

Of elements whose most stable isotopes have been identified with certainty, francium is the most unstable. All elements with atomic number of 106 (seaborgium) or greater have most-stable-known ...

The alkali metal family includes the six elements in the first column of the periodic table, from lithium (Li) down to francium (Fr). These metals all contain one valence electron, meaning they form ...