As promised at the beginning of the year, C&EN is continuing its celebration of the 150th anniversary of the periodic table all year long. In honor of the International Year of the Periodic Table of ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...