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 ...

So, here's a chemistry lesson from an average deranged chemist. Tin exists in three forms depending on the number of electrons on its outer shell — Sn 0 (the metal), Sn +2 (also called tin (II), aka ...