This week's element is francium, which has the symbol Fr and the atomic number 87. Francium is a highly radioactive alkali metal that is vanishingly rare in the wild. It is the most unstable naturally ...
When it comes to the periodic table, the United States really blew its chance to make a name for itself. If you look over a map of all the elements named for cities, states, countries, and continents, ...
Play this game to learn about lots of different elements in the periodic table. While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts: So, here I ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results