When you think of the periodic table, some elements just have a vibe to them that’s completely unscientific, but nonetheless undeniable. Precious metals like gold and silver are obvious examp… ...

By the periodic table’s logic, all d-block elements should have filled s orbitals. But copper defies that logic. It should have the electron configuration [Ar] 3d 9 4s 2 .

The people who developed the periodic table could have called it the Periodic Table of the Atoms but they did not have a firm understanding of atoms at that time. Since they were working with actual ...

The sulfur would have formed in the atmosphere as ultraviolet light broke down sulfur-bearing volcanic gases, a process that would have produced abundant sulfur-33, says Philippot.

For example, sulfur is commonly known to have a standard atomic weight of 32.065, but its real atomic weight can be anywhere between 32.059 and 32.076, depending on where the element is found.

Whether you need to brush up on your chemistry, or just love it when someone sets the Periodic Table to music, AsapSCIENCE’s The NEW Periodic Table Song is for you. This rundown of the elements ...

A century ago, the discovery of hafnium confirmed the validity of the periodic table — but only thanks to scientists who stood up for evidence at a time of global turmoil.