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 ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

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 of ...

The covalent radius (a measure of how large individual atoms are ... As you move from left to right across the periodic table, atoms have more electrons in their outer energy level and more ...

So, today we're going to look at the periodic table. That thing that you see behind your teacher on the wall in science lessons. It actually tells us a lot about the elements that make up the ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract ... two bonded atoms determines the bond's polarity, with a large difference ...