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Periodic Tables

International Day of Women & Girls in Science: The women of the periodic table

February 11 is the International Day of Women and Girls in Science. To mark the occasion, this graphic looks at the contributions of women to the periodic table. The table highlights element discoveries women have been involved in and the two elements named after women.

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C&EN Physical Chemistry

The chemistry of snow and ice

Why do snowflakes have six sides? Why does ice float on water? Is every snowflake unique? This month’s edition of Periodic Graphics in Chemical & Engineering News looks at the answers to these questions and more! Click here to view the full graphic.

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Materials Chemistry

The chemistry of disposable nappies: absorbency, wetness indicators and waste

Five thousand: that’s the number of nappy changes the average child will need. There are several nappy choices available to parents, but disposable nappies make up a large portion of the market – and there’s a fair amount of chemistry behind how they keep a baby dry.

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IYPT Elements

IYPT 2019 Elements 118: Oganesson: The periodic table’s final element(?)

Element 118, the final element in our International Year of the Periodic Table series, is oganesson. Oganesson was discovered in 2002 and its properties defy our expectations based on trends in the periodic table.

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Chemistry in the News ChemMonthly Year in Review

The Year in Chemistry: 2019’s biggest chemistry stories

As we draw to the end of 2019 and the International Year of the Periodic Table, this graphic summarises some of the biggest stories in chemistry this year. Highlights included a new form of elemental carbon, concerns over vaping health risks, unexpected stir bar effects on reactions, and more.

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IYPT Elements

IYPT 2019 Elements 116 & 117: Livermorium and Tennessine

Elements 116 and 117 in our International Year of the Periodic Table series are livermorium and tennessine. Tennessine, first created in 2010, is the most recently discovered element in the periodic table as of 2019.