Question

what are ions ???????

Answer 1

an atom or molecule with a net electric charge due to the loss of gain of one or more electrons .
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Answer 2

An ion is defined as an atom or molecule which has gained or lost one or more of its valence electron, giving it a net positive or negative electrical charge. In other words, there is an imbalance in the number of protons (positively charged particles) and electrons (negatively charged particles) in a chemical species.
and 2 Types of iones :=>>

Cation:  A positively charged particle in a molecule is called cation.
Example: Na+, Ca+2.
 
Anion:  An anion is a negatively charged particle in a molecule.
Example: F-, Cl-.

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