There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

Elements and Compounds: Understanding elements and compounds is basic knowledge to study chemistry. Elements are the basic building blocks of matter, while compounds are substances formed when two or ...

David Cole-Hamilton – previously president of EuChemS – explains why we need to be mindful of many of the elements as a limited resource. The periodic table allows us to understand chemistry at a ...

Valence Electron Examples: Valence electrons play an important role in the field of chemistry, affecting how atoms interact and bond with each other. These outermost electrons are responsible for ...

Materials that are essential for the transition to a sustainable society are currently being extracted using methods that are ...

McGill University provides funding as a member of The Conversation CA. McGill University provides funding as a member of The Conversation CA-FR. The United Nations announced 2019 as the International ...