Periodic Table of Chemical Elements
2019 is the International Year of the Periodic Table of Chemical Elements (IYPT 2019)!
Let's get ready to celebrate!
At the American Chemical Society (ACS), our vision is to improve people’s lives through the transforming power of chemistry. This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration of this momentous occasion, the United Nations Educational, Scientific, and Cultural Organization (UNESCO) officially proclaimed 2019 as “The United Nations International Year of The Periodic Table of Chemical Elements,” or "IYPT 2019."
ACS and chemical societies around the world will be celebrating throughout the year. IYPT celebrations will include contests, technical programming, themed gifts and giveaways, public engagement campaigns, and more.
The mission of the ACS is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and its people. Join us as we show how chemical elements are central to "linking cultural, economic and political aspects of the global society through a common language, whilst also celebrating the genesis and development of the periodic table over the last 150 years."
Register Your Event
Submit information about your IYPT-related
events here!
PERIODIC TABLE MERCHANDISE
Feature of the Week
The periodic table is an icon. But chemists still can’t agree on how to arrange it
New data about the elements and their relationships have led to debate over the 150-year-old table’s optimum ordering.
Latest News
- Share your periodic table in everyday life with C&EN's "I Spy a Periodic Table" Photo Contest
- How far does the periodic table go?
- The first IYPT Event took place in India on January 2
- Choose an element and join the IUPAC periodic table challenge quiz!
- Nature Chemistry's January 2019 issue celebrates the periodic table
- Teachers to build Timeline of Elements and Mendeleev Mosaic in collaboartive project with University of Waterloo
- Researchers measure masses of superheavy elements directly
- Register for the IYPT 2019 Opening Ceremony in Paris on January 29
- Upcoming IYPT-related Events
Videos
MOLECULE OF THE WEEK
I’ve been used as a murder weapon.
Chemical Elements History Timeline
Interactive Periodic Tables from Around the Web
International Union of Pure and Applied Chemistry
Royal Society of Chemistry (RSC)
Did You Know?
In 1876 John Draper was the first president of the American Chemical Society and a pioneer of photography, taking the first photograph of the moon and one of the first photographs of a living person.
Plan an Event or Activity
Whether you are an active ACS member, teacher, volunteer, or student, you can plan events in your community to join the year-long celebration. Here are some general tips from ACS Local Sections, Student Chapters and ChemClubs to inspire you and help you launch your event!
- Plan your event far in advance.
- Reach out to local museums, science centers, libraries, schools, and other science-related organizations.
- Offer food and refreshments (Check out these periodic table-inspired cupcakes made by a ChemClub).
- Publicize your event. Spread the word via websites, social media, newsletters, and more.
Upcoming Member and Community Events
Tell us about your event or email iypt@acs.org for more information!
| Date | Location | Event |
| January 10 | San Rafael, CA | ELEMENTS Fine Art Exhibition |
| January 16 | Online | AACT Webinar with Sam Kean |
| January 29 | Paris, France | IUPAC Opening Ceremony |
| March 2 | Branford, CT | Science Café on the Periodic Table |
| July 29 | Concord, MA | NEACT Conference, "The Periodic Table" |
| October 19 | Allendale, MI | World's Largest Periodic Table |
Download a Free Updated Periodic Table From ACS
Is the periodic table hanging in your lab, classroom, or office woefully out of date? Replace that old relic with a free updated periodic table from ACS Publications!
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