An ion is an atom or molecule that has gained or lost one or more electrons, giving it an electric charge. This means that it is no longer electrically neutral.
There are two types of ions:
Cations: These are ions with a positive charge, formed when an atom loses one or more electrons.
Anions: These are ions with a negative charge, formed when an atom gains one or more electrons.
The charge of an ion is indicated by a superscript after the symbol of the element. For example, a sodium ion is represented as Na+ and a chloride ion is represented as Cl-.
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Answer:
It is an electrically charged atom or molecule formed by loss or gain of electrons.
Example:- Magnesium ion ⟶Mg2+ Ion formed by gain of electron is called anion
Explanation:
What are Ions?
An ion is an atom or molecule that has gained or lost one or more electrons, giving it an electric charge. This means that it is no longer electrically neutral.
There are two types of ions:
The charge of an ion is indicated by a superscript after the symbol of the element. For example, a sodium ion is represented as Na+ and a chloride ion is represented as Cl-.
Here are some common examples of ions:
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