This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

Chemists use symbols and formulae to represent elements and compounds. Word equations and balanced chemical equations represent the changes that happen in chemical reactions. Mixtures - AQA There ...

"The discovery provides new understanding of how berkelium and other actinides behave relative to their peers in the periodic table." By pinning down the berkelium atom, the team could test its ...

Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have made a groundbreaking discovery in the field of organometallic chemistry. They have synthesized and ...

Browse a list of curated classroom activities by the American Association of Chemistry Teachers. Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans and activity sheets to ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature ...

Chemists use symbols and formulae to represent elements and compounds. Word equations and balanced chemical equations represent the changes that happen in chemical reactions. Mixtures - AQA There ...

We see a lot of clocks here at Hackaday, so many now that it’s hard to surprise us. After all, there are only so many ways to divide the day into intervals, as well as a finite supply of geeky ...

Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in ...