Categories
Organic Chemistry

Organic functional groups chart – expanded edition

Since I published my original functional groups chart back in 2014, I’ve had a fair few requests to expand it to include more functional groups. This week, I finally got around to doing that!

Categories
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.

Categories
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.

Categories
Biology

The viruses behind colds and flu

We’re taking a detour into biology for today’s graphic, looking at the colds that many of us are suffering from at this time of year. It’s doubly topical considering the coronavirus outbreak in China at the time of writing. This graphic highlights the viruses that cause colds and flu and their different characteristics.

Categories
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.

Categories
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.