Hooked, I asked for a review copy, and, well, me, here, now, writing review. The book is called “Wonderful Life with the Elements — The Periodic Table Personified,” by Bunpei Yorifuji, and it was ...

Watch this video to find out how to use the periodic table to identify the atomic and mass numbers of an element. Different shells can hold different maximum numbers of electrons. Electrons occupy ...

Cations are ions that are positively charged. Anions are ions that are negatively charged. Ions are charged atoms or molecules. If a balanced atom loses one or more electrons, it will become a ...

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 ...

It’s that time of the year again, when all the fun and joy disappear for a while. This is because you hear your parents and teachers asking you to be serious with your studies as the exams are about ...

Six-mark questions are extended open response questions. These require longer answers than the structured questions that have fewer marks. It is wise to plan your answer first by making some notes.

This illustration shows a typewriter with the keys depicted as the periodic table. Hands are typing on it, and the sheet of paper coming out of it shows the words "Tales from the table." Credit: Chris ...

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 ...

The discovery of element 117 filled the last remaining gap in the periodic table as we know it. But even as it is being completed, the table may be losing its power In 2010 researchers in Russia ...