John Newlands Current Affairs, GK & News

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 of the Periodic Table Antoine-Laurent de Lavoisier wrote the Traité Élémentaire de Chimie (Elementary Treatise ..