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 ...

This year we celebrate the 150th anniversary of one of the most significant breakthroughs in science, the creation of a tool that allows us to make sense of the basic ingredients of our universe, and ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829), ...

How well do you know your way around the periodic table? Can you tell a noble gas from neptunium? In this quiz, test your knowledge of some chemistry basics, history, and trivia, including the quest ...