Interactive and responsive design. Click on an element to view its details. Information includes the element's name, symbol, atomic number, atomic mass, and electron configuration. Easily accessible ...

In this topic, we will concern ourselves with the elements of the third period: scandium to zinc. The electron configurations of the 3rd period d-block elements are shown below: The electron ...

The ions formed have a full outer electron shell, so are very stable. See the study guide on groups in the periodic table for more information.

In Bohr’s 1913 papers he envisaged atoms along the lines established by his mentor Ernest Rutherford: dense nuclei orbited by ...