Periodic table crayons put the elements at your fingertips Be prepared for your child to ask for the "Barium Nitrate" crayon.

Why has the periodic table endured for 150 years? It’s an amazing tool that can compress a huge amount of information into one format. It’s one of the first things people learn about chemistry.

A new study lays the groundwork to expand the periodic table with a search for element 120, to be made by slamming electrically charged titanium atoms, or ions, into a californium target.

Mendeleev’s periodic table, published in 1869, was a vertical chart that organized 63 known elements by atomic weight. This arrangement placed elements with similar properties into horizontal rows.

So the beauty of the periodic table is that the elements that are in columns, up and down, have similar properties. But there are similarities within a group going across too.

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. Learn how the periodic table ...

The periodic table is a fundamental part of understanding chemistry. Elements define our universe: they are the components and foundation of the substances that we interact with every day.

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest for more accurate optical atomic clocks By Chris Simms 28 April 2025 ...