The United Nations has designated 2019 as the International Year of the Periodic Table of Chemical Elements (YPT 2019). To coincide with this the National Museum of Science and Technology of Catalonia (mNACTEC) will be holding a commemorative event on Tuesday 29 January at 19.00 h., including the talk "The periodic table: the piano of chemistry" by Claudi Mans, and a visit to the newly reopened exhibition "Everything is chemistry".