As you move down a group in the periodic table, the covalent radius increases ... These electrons screen or shield the outer electrons from the nuclear charge.

These are two chemical elements that are very difficult to synthesize and are at the heavier end of the periodic table of ...

When the first periodic table was formulated by Mendeleev ... But in 1956, the Japanese radiochemist Paul Kuroda predicted that a natural nuclear reactor might once have existed deep within ...

Element 114 sits in an island of stability, a position in the periodic table where a spherical nuclear configuration suggests that half lives should be relatively long. That word 'relatively' is ...

Elements after uranium on the periodic table have been synthesized for the ... through a partnership between the Joint Institute for Nuclear Research in Dubna, Russia, Lawrence Livermore National ...

We're kicking off our journey through the Periodic Table with a chemical that sometimes masquerades as diamond but is equally at home in the core of a nuclear reactor or even in an ironworks. To tell ...

Elements at the end of the periodic table do not occur naturally and must be produced through a combination of ...