Periodic Table Turns 150

The ‘Periodic Table of Elements’ or ‘The Table’ has turned 150 years old in 2019. The United Nations General Assembly and UNESCO have decided to observe 2019 as the “International Year of the Periodic Table of Chemical Elements (IYPT2019)”. History ..

Tags: Actinides • Alexandre-Émile Béguyer de Chancourtois • Atomic number • Chemical elements • Chemistry

UNESCO officially launches International Year of Period Table of Chemical Elements

On January 29, UNESCO official launched the International Year of the Period Table of Chemical Elements (IYPT-2019) at its headquarters in Paris to raise awareness of chemistry and its applications for sustainable development. The year 2019 also marks the 150th ..

Tags: Atomic number • Chemical element • Chemist • Chemistry • Dmitri Mendeleev