Uranium, belonging to the periodic table's actinide elements, has long intrigued scientists due to its complex electron configurations ... electrons in its inner shells compared to other, more ...

With a heavy nucleus (79 protons) and a lone electron in its outermost electron shell, gold should have fairly similar ...

Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

Elements in group 1 and group 2 are metals. Atoms of group 1 elements have one electron in their outer shell, and atoms of group 2 elements have two electrons in their outer shell. Elements in ...

This ancient predator-prey relationship took place 517 million years ago in the ocean that once covered the region of South Australia.