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

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...

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 ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract ... Electronegativity is defined as the tendency of an atom to attract ...

and all the elements in group 0 are unreactive non-metals. The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right.