What is an ion?give example
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heya mate
ions are change particle
it can be positive and negative
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Explanation:
An ion is an atom or a group of atoms where the number of electrons is not equal to the number of protons . Electrons have a negative charge.
When an atom gains electrons this result in a negative charge . This type of ion is called an anion.
When an atom loses electrons this results in a position charge. A positively charged ion is called a cation .
EXAMPLES OF POSITIVE IONS :
- Aluminium - Al 3 +
- Barium - Ba 2 +
- Bismuth - Bi 3 +
- Cadmium -Cd 2 +l
EXAMPLES OF NEGATIVE IONS
- Bromide - Br -
- Chloride - Cl -
- Iodide - I -
- Oxide - O 2 -
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