Just prior to the end of 2015, the International Union of Pure and Applied Chemistry (IUPAC to everyone, including itself) made a momentous announcement: it was accepting the existence of four new ...

Unlock the secrets of the Periodic Table of Elements with these surprising facts and deepen your understanding of the building blocks of our universe. The periodic table of elements is a cornerstone ...

Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...

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 ...