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The International Year of the Periodic Table

Marking the 150th anniversary of Dmitri Mendeleev’s discovery of the periodic system, 2019 is the International Year of the Periodic Table (IYPT). We look forward to sharing and celebrating the IYPT with all our readers this year.

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How it all started

Dmitri Mendeleev (1834–1907), a Russian chemist and inventor, is credited with the discovery of the periodic system of chemical elements in 1869.

A picture of Mendeleev with his 1869 periodic table

The father of the periodic table

2 January 2019By

Mike Sutton looks at how Mendeleev’s patience revealed periodicity in the elements

The End of Phlogiston

The end of phlogiston and the discovery of oxygen

By ,

Pure air, dephlogisticated air or a new element? Josephy Priestley and Antoine Lavoisier get to grips with new gases in this month’s comic

A global conversation

The periodic table is a talking point for scientists around the world.

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Periodic table abstract

The elements of business

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From lethal smog to clean air

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Chemical storytelling

Listen to stories about all 118 elements on the periodic table.

Periodic table of the elements – 118 – Oganesson


15 February 2018By ,

Meet Yuri Oganessian, the elemental explorer forever immortalised on the periodic table

What do people think about chemistry?

Try our interactive presentation based on the Royal Society of Chemistry's public attitudes to chemistry survey.

The elements song

First recorded by Tom Lehrer in 1959 (when there were only 102 elements on the periodic table) it has since been covered, and updated, by many scientists and musicians over the years.