It happens all over the periodic table. The chemical symbol for lead is Pb. For mercury, Hg. For antimony, Sb. My chemistry teacher in high school cracked up every time she referred to the symbol ...

Maybe it's because this year marks the 150th anniversary of the Periodic Table of the ... Shakhashiri also notes how lead (symbol Pb) has a less popular image than in Mendeleev's day.

A table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

International Year of the Periodic Table: 150th Anniversary of Dimitri Mendeleev's Genius Creation Published Jan 07, 2019 at 11:21 AM EST Updated Jan 07, 2019 at 11:24 AM EST Today’s periodic table.

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

NEW YORK — You'll soon see four new names on the periodic table of the elements, including three that honor Moscow, Japan and Tennessee. Search. Subscribe. Manage profile. Donate.