ion

• Nom désignant un atome ou une molécule qui a gagné ou perdu un ou plusieurs électrons, possédant ainsi une charge électrique.

A noun referring to an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.

1. Electrically charged particleB2formalscientific

   An atom or molecule that has gained or lost one or more electrons, resulting in a positive or negative electric charge.

   Ion

   • Positive ions are called cations, while negative ones are anions.
   • Ions in a solution allow it to conduct electricity.
   • Sodium and chlorine ions form an ionic bond in salt.
   • The movement of ions across a cell membrane is essential for nerve impulses.