In Chemical Mystery #19,1 a yellow liquid is poured into a test tube, and the liquid turns red. When a white sold is added to the red liquid in the test tube, the liquid turns blue.
A good deal of evidence indicates that wearing facial masks inhibits the spread of COVID-19.1-4 The spread of the virus appears to occur via airborne transmission.
When describing abstract concepts like chemical bonding, it always seems to feel far too easy for both teachers and students to resort to the “wants” and “needs” of atoms. After all, we understand what it means to want, need, or like something, so it often feels appropriate (and easier) to use a relatable metaphor or subtly anthropomorphize these a
