Cation Formation

Cation Formation

1. Cations are the positive ions formed by the loss of one or more electrons.

2. The term isoelectronic refers to an atom and an ion of a different atom (or two different ions) that have the same electron configuration.

3. The resulting cation has the electron configuration of the noble gas atom in the row above it in the periodic table.

4. Example: The sodium ion is isoelectronic with the neon atom.