The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ...
Present the periodic table without warning to a room full of people and the reactions are likely to be diverse. There’ll be those whose faces break instantly into expressions of warm recognition, with ...
The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...
A 17-year-old Indian school girl came up with an imaginative way to remember all the elements on the periodic table for her science class. The aspiring artist decided to recreate the periodic table to ...
The periodic table is part of the bedrock of chemistry education. Students use it to look up values like an element’s atomic mass, and it serves as a visual reference for the trends in physical ...
Two weeks ago, we showed off our favorite entries in C&EN’s “I Spy a Periodic Table” photo contest. And we gave readers a chance to pick a favorite of their own in an online poll. It was a tight race, ...
If you wanted to create the world’s next undiscovered element, number 119 in the periodic table, here’s a possible recipe. Take a few milligrams of berkelium, a rare radioactive metal that can be made ...