When it comes to the elements in the periodic table found throughout the Universe, it's only the first two that originated from the Big Bang: hydrogen and helium. Everything else was formed from stars ...

This lesson utilizes an adaptation of the board game Periodic: A Game of the Elements to help students better understand both general periodic trends and the law of conservation of energy. This ...

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 ...

We're celebrating the 150th anniversary of the periodic table. Join us as we tour the cosmos, from the microscopic to the telescopic, with four scientists studying the role of four elements—zinc, ...

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 ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...