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 of the Periodic Table Antoine-Laurent de Lavoisier wrote the Traité Élémentaire de Chimie (Elementary Treatise ..
Atomic number: GK, Current Affairs, Questions, Trivia and News
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 anniversary of its creation by Russian scientist Dmitry Ivanovich Mendeleev. The aim of the year-long ..