A block of the periodic table is a set of elements unified by the atomic orbitals their valence electrons or vacancies lie in. The term seems to have...

The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns...

the periodic law in 1871, and published an associated periodic table of chemical elements, authors have experimented with varying types of periodic tables...

filling of each shell corresponds to a row in the table. In the s-block and p-block of the periodic table, elements within the same period generally do not...

column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between groups...

The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties...

island in the state of Rhode Island Block (periodic table), a set of adjacent groups in the periodic table Block (meteorology), large-scale patterns in the...

Extended periodic table Element 119 (Uue, marked here) in period 8 (row 8) marks the start of theorisations. An extended periodic table theorizes about...

irregularities that arise in the d- and f-blocks are quite irrelevant chemically. The construction of the periodic table ignores these irregularities and is...

The periodic table of mathematical shapes is popular name given to a project to classify Fano varieties. The project was thought up by Professor Alessio...