15-P The longest train

[waiting for translation] No totes les taules periòdiques són en forma rectangular o matricial, com l’habitual. Ni tan sols mostren de forma evident la periodicitat, com l’espiral. N’hi ha alguna de curiosa, com la “Tube Map” de Mark Lorch (@sci_ents) que mostra els elements en forma de mapa de metro, a l’estil de Londres El…

14-Si. High and low electronegativity

In the Periodic Table there are elements with low electronegativity (columns at the left of the Periodic Table) and elements with high electronegativity (columns at the right, except the noble gases). This fact is due to their different electronic structure in its outer shell: because of the tendency to have a full shell having 8…

13-Al The mystery of the dissapearing Polonium

Today we provide you with a misterious disparition: that of Polonium. Ths time we will deal with the shape of the Periodic Table, rather than on its content. First, we start from the standard view of the Periodic Table: But we will take just a block of elements, that show below: Now if we focus…

12-Mg Journey thorugh Latin Europe

In English, many chemical elements, especially those synthetic, end their name in “-ium”, that is, they have a latinized form. Starting from a game we have played for years, we propose you to make a journey through the elements of Latin Europe, i.e., those having an European geographical name: the very Europium, but also others,…

11-Li Audioactive decay

[waiting for translation] Com que demà passat, 14 de març, és el Dia de Pi, aquesta setmana farem una aproximació curiosa a un joc que té un fonament matemàtic, i que resulta en una Taula Periòdica especial. Precisament en Fernando Blasco en parla al llibre que va publicar abans d’ahir diumenge amb El País, “Más…

10-Ne Women and Periodic Table

On Friday March 8th we will commemorate International Women’s Day. We would like to join such a day, so we have built up a game with the help of Sílvia Simon. It is based on the low-down triple deal created by Colm Mulcahy, which we recently used for Christmas: However, now we would like to stress the…

9-F Symbols Word Search

This week we present a game that is a quite original “word search“: there are no letters, but rather symbols of chemical elements. Thre rules of the game are the same as usual word search games: one may find words from left to right or right to left, words from top to bottom or bottom…