The United Nations have proclaimed 2019 to be the International Year of the Periodic Table of Chemical Elements (IYPT 2019) to mark the 150th anniversary of the classification system that decorates ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff, a ...

Students learn to describe the pattern in atomic number, atomic mass and atomic radius. Trends on the Periodic Table: Students learn to describe the pattern in atomic number, atomic mass, atomic ...

Two new elements are joining old chemistry-class favorites on the periodic table. The latest inductees — number 114, flerovium (Fl), and number 116, livermorium (Lv) — were revealed by the ...

This illustration shows a typewriter with the keys depicted as the periodic table. Hands are typing on it, and the sheet of paper coming out of it shows the words "Tales from the table." Credit: Chris ...