Their discovery of promethium filled a gap in the periodic table ... The scientists made new discoveries about lanthanide contraction, a phenomenon in which the elements' atoms get smaller ...

For the first time, scientists have characterized a promethium coordination complex, advancing the understanding of ...

Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

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 ...

Traditional understanding of the periodic table suggests that berkelium would behave like the lanthanide terbium, but the berkelium ion is much happier in the +4 oxidation state than the other f-block ...

The periodic table - AQA Mendeleev made an early periodic table. In the modern periodic table, elements are in order of atomic number in periods and groups. Electronic structures model how ...

As pregnancy progresses, many women experience contractions that can leave them wondering if labour has begun. Braxton Hicks contractions, often referred to as ‘false labour, are a common ...

Barcelona, Real Madrid and Atlético Madrid have all taken turns leading the Spanish top-flight this season and the table seems to change with every passing weekend. Real Madrid were the only team ...