If you want to learn more about Chemistry, this app provides a wealth of detail about the Periodic Table ... electronegativity, crystal structure, period, group, electron affinity, valence ...

In this activity, students will use the online periodic table, ptable.com, to investigate a number of chemistry concepts. Students will use this online resource to explore information about the ...

The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...

Elements heavier than uranium don’t exist naturally on Earth. Researchers make these massive elements at the end of the periodic table by smashing existing atoms together in particle accelerators.

Scientists have develop tables similar to the periodic table of elements but for molecules. Their approach could be used for predicting novel stable substances and creating useful materials.

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 ...

The periodic table brought solidity to a field of inquiry that had long been squishy. Sir Isaac Newton, in Query 31, a section in his 1717 work “Opticks,” listed and ranked chemical compounds ...

It’s not every day an element gets added to the periodic table. The last time it happened was 2016, when four new elements became official. For these elements, reaching the table was an epic ...

But during the talk, which took place in January at the launch of the International Year of the Periodic Table, Oganessian says, discovering the superheavy elements (SHEs) with proton numbers 104 ...

That’s why the United Nations and the International Union of Pure and Applied Chemistry are celebrating the 150 th anniversary of Mendeleev’s periodic table. The festivities kicked off in ...