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 ...

Everybody remembers trying to learn the periodic table in science lessons at school. The table is one of the fundamental building blocks of chemistry, explaining the relationship between different ...