A longstanding mystery of the periodic table involves a group of unique elements called lanthanides. Also known as rare earth ...

When most people hear the word uranium, they think of mushroom clouds, Cold War standoffs or the glowing green rods from ...

A longstanding mystery of the periodic table involves a group of unique elements called lanthanides. Also known as rare earth ...

The periodic table is one of the greatest achievements in scientific history, a tool that has transformed chemistry from an abstract study of elements into a structured, predictive science. It is ...

In the proverbial shadow of the Naughton Power Plant, a station in Kemmerer, Wyoming, that will stop burning coal at the end ...

The periodic table shows all the atoms that everything in the known universe is made from. It’s kind of like the alphabet in which only 26 letters, in different combinations, make up many thousands of ...

Give each student a Periodic Table of Energy Levels activity sheet. This table contains energy level models for the first 20 elements. The electrons are included only for the atoms at the beginning ...

Cobalt is a hard, silvery-gray metal best known for its impressive durability, heat resistance, and magnetic properties. It's found naturally in copper and nickel ores, and sits at number 27 on the ...

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table, first ...

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.