Sticking with Chemistry on Mole Day!

Happy National Chemistry Week! This year's theme is "Sticking with Chemistry," a celebration of the science of glues and adhesives. It's no coincidence that today is also Mole Day, the annual festival honoring Avogadro's Number - the number of molecules or atoms that comprise a mole of a substance: 6.02 x 1023. That's 602,000,000,000,000,000,000,000 molecules …

Breaking News: Slime Time Chemistry Slip-Up!

slime

Is it a solid? Is it a liquid? It behaves in a way that reminds us a little of both. But what is it? Slime! (Figure 1) Making slime is a majorly successful activity used to illustrate a number of scientific concepts. While this activity is usually reserved for classrooms, or live demonstrations intended for …