Johnson, an astronomer at the Ohio State University, has hacked the periodic table of elements to show ... magnesium (Mg), silicon (Si), and iron (Fe) — it took billions upon billions of years.

Iron and bismuth each react with multiple elements across the periodic table but are largely immiscible ... In the crystal structure, each iron atom is coordinated by eight bismuth atoms arranged ...

"Once a star has built an iron core, there is no way it ... Even though all the components of an atom are important, the periodic table ignores the number of neutrons and electrons and defines ...

There’s evidence for elements like oxygen, iron ... periodic table. It took an amazing 10 billion billion (10 19) collisions of calcium atoms on a californium target to produce one alleged atom ...