Question

What is an ion?give example

Answer 1

Answer:

heya mate

ions are change particle

it can be positive and negative

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Answer 2

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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