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.

These ions were then implanted into a focal plane detector system for analysis ... 6 Oganesson (Og) is the most recently added superheavy element (SHE) in the periodic table. It completes the seventh ...

Although metal ions are central to all of biochemistry, a group of elements clustered in the early part of the periodic table—carbon, nitrogen, oxygen and phosphorus—are highly represented in ...