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 ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights ... that is given out depends on how strongly the ...

rare earths in relation to the periodic table. The group of elements known as the “rare ... charged nucleus surrounded by a system of electrons which are kept together by attractive forces ...

An aqueous electrolyte comes with nearly no fire risk. Researchers overcome critical challenge with water-based zinc ...

Elements in group 1 and group 2 are metals. Atoms of group 1 elements have one electron in their outer shell, and atoms of group 2 elements have two electrons in their outer shell. Elements in ...

Nitrogen on periodic table of the elements. Do you remember how many elements there are in the periodic table? Spoiler: it’s ...

Brookhaven National Laboratory have designed and tested the world's highest voltage polarized electron gun, a key piece of ...

The magic numbers known to scientists are 2, 8, 20, 28, 50, 82 and 126. They are the same for both protons and neutrons. When a nucleus has a magic number of protons or neutrons, then the particular ...

Radium, Marie Curie and her husband discovered, destroyed diseased cells faster than healthy ones. Could the element fight ...