Group 11 element Group 11 element Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au). Roentgenium (Rg) is also placed in this group in the periodic table, although no chemical experiments have yet been carried out to confirm that it behaves like the heavier homologue to gold. Group 11 is also known as the "coinage metals", due to their former usage. They were most likely the first three elements discovered. Copper, silver, and gold all occur naturally in elemental form. All the elements of the group except
¡Cu-Cut! the team of editors and illustrators continued their work at Catalan children's magazine "En Patufet". On the occasion of the first centennial of the closure of the magazine, the Barcelona City Historical Archive ("Arxiu Històric de la Ciutat de Barcelona") staged an exhibition and published a catalogue based on the once famous magazine. The exhibition was commissioned by Catalan cartoonist Jaume Capdevila ("Kap") and produced with the "Associació Tantatinta". ¡Cu-Cut! ¡Cu-cut! was a Catalan illustrated satirical magazine, written in Catalan. Published in Barcelona between 1902 and 1912, it followed the political line marked by Francesc Cambó's Lliga Regionalista. ¡Cu-cut!, named