In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...
Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...
Copper has been used by humans for as much as 7000 years and elements such as gold, silver, tin, lead and mercury have been known for many thousands of years. However, the first scientific ...
As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table featuring a mole ... creator of ptable.com — one of the first online periodic tables. We asked him ...
Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.
Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...